Reference list of above mentioned excluded full paper publications:

Excluded ARFI studies from Web of Science [1-69] and Pubmed [70-82]:

8 articles excluded because not a clinical study;

42 articles excluded due to the lack of histology;

2 articles excluded because related to animals;

12 articles excluded because not concerning liver;

18 articles excluded due to the lack of measures (sensitivity, specificity or staging).

1. Aroca FG, Ayala I, Serrano L, Berna-Serna JD, Castell MT, Garcia-Perez B, Reus M (2010) Assessment of liver steatosis in chicken by using acoustic radiation force impulse imaging: preliminary results. European Radiology 20 (10):2367-2371. doi:10.1007/s00330-010-1808-5

2. Bajwa A, Wood C, Berggruen S, Miller F, Ganger D, Grant T (2012) Noninvasive Assessment of Liver Fibrosis Using Acoustic Radiation Force Impulse (ARFI) Imaging. American Journal of Roentgenology 198 (5)

3. Behrens CB, Langholz JH, Eiler J, Jenewein R, Naehrlich L, Fuchs K, Harth S, Krombach GA, Alzen GFP (2013) A pilot study of the characterization of hepatic tissue strain in children with cystic-fibrosis-associated liver disease (CFLD) by acoustic radiation force impulse imaging. Pediatric Radiology 43 (5):552-557. doi:10.1007/s00247-012-2560-6

4. Bota S, Sporea I, Sirli R, Focsa M, Popescu A, Danila M, Strain M (2012) Can ARFI elastography predict the presence of significant esophageal varices in newly diagnosed cirrhotic patients? Annals of Hepatology 11 (4):519-525

5. Bota S, Sporea I, Sirli R, Popescu A, Danila M, Costachescu D (2012) INTRA- AND INTEROPERATOR REPRODUCIBILITY OF ACOUSTIC RADIATION FORCE IMPULSE (ARFI) ELASTOGRAPHY-PRELIMINARY RESULTS. Ultrasound in Medicine and Biology 38 (7):1103-1108. doi:10.1016/j.ultrasmedbio.2012.02.032

6. Bota S, Sporea I, Sirli R, Popescu A, Jurchis A (2013) FACTORS WHICH INFLUENCE THE ACCURACY OF ACOUSTIC RADIATION FORCE IMPULSE (ARFI) ELASTOGRAPHY FOR THE DIAGNOSIS OF LIVER FIBROSIS IN PATIENTS WITH CHRONIC HEPATITIS C. Ultrasound in Medicine and Biology 39 (3):407-412. doi:10.1016/j.ultrasmedbio.2012.09.017

7. Bota S, Sporea I, Sirli R, Tanaka H, Iijima H, Badea R, Lupsor M, Fierbinteanu-Braticevici C, Petrisor A, Saito H, Ebinuma H, Friedrich-Rust M, Sarrazin C, Takahashi H, Ono N, Piscaglia F, Borghi A, D'Onofrio M, Gallotti A, Peck-Radosavljevic M, Ferlitsch A, Popescu A, Danila M (2012) INFLUENCE OF AMINOTRANSFERASES LEVEL ON THE CORRELATION OF LIVER STIFFNESS ASSESSED BY ACOUSTIC RADIATION FORCE IMPULSE (ARFI) ELASTOGRAPHY WITH LIVER FIBROSIS-AN INTERNATIONAL MULTICENTER STUDY. Journal of Hepatology 56:S35-S35

8. Boursier J, Isselin G, Fouchard-Hubert I, Oberti F, Dib N, Bertrais S, Gallois Y, Cales P, Aube C (2009) ACOUSTIC RADIATION FORCE IMPULSE (ARFI): A NEW TECHNOLOGY FOR THE NON-INVASIVE DIAGNOSIS OF LIVER FIBROSIS IN CHRONIC LIVER DISEASES. Hepatology 50 (4):818A-818A

9. Boursier J, Isselin G, Fouchard-Hubert I, Oberti F, Dib N, Lebigot J, Bertrais S, Gallois Y, Cales P, Aube C (2010) Acoustic radiation force impulse: a new ultrasonographic technology for the widespread noninvasive diagnosis of liver fibrosis. European Journal of Gastroenterology & Hepatology 22 (9):1074-1084. doi:10.1097/MEG.0b013e328339e0a1

10. Calvaruso V, Rizzo L, Cacopardo B, Alessi N, Attanasio M, Petta S, Fatuzzo F, Montineri A, Mazzola A, Di Marco V, Craxi A, Comma C (2010) COMPARISON OF TRANSIENT ELASTOGRAPHY (TE) AND ACOUSTIC RADIATION FORCE IMPULSE (ARFI) FOR NONINVASIVE STAGING OF LIVER FIBROSIS IN PATIENTS WITH CHRONIC HEPATITIS C. Hepatology 52 (4):1237A-1237A

11. Chen SH, Li YF, Lai HC, Kao JT, Peng CY, Chuang PH, Su WP, Chiang IP (2012) Noninvasive assessment of liver fibrosis via spleen stiffness measurement using acoustic radiation force impulse sonoelastography in patients with chronic hepatitis B or C. Journal of Viral Hepatitis 19 (9):654-663. doi:10.1111/j.1365-2893.2012.01588.x

12. Colombo S, Buonocore M, Del Poggio A, Jamoletti C, Elia S, Mattiello M, Zabbialini D, Del Poggio P (2012) Head-to-head comparison of transient elastography (TE), real-time tissue elastography (RTE), and acoustic radiation force impulse (ARFI) imaging in the diagnosis of liver fibrosis. Journal of Gastroenterology 47 (4):461-469. doi:10.1007/s00535-011-0509-4

13. Crespo G, Fernandez-Varo G, Martinez SM, Miquel R, Gilabert R, Forns X, Jimenez W, Navasa M (2010) NON INVASIVE ASSESSMENT OF LIVER FIBROSIS USING ACOUSTIC RADIATION FORCE IMPULSE (ARFI): A PROSPECTIVE COMPARISON WITH TRANSIENT ELASTOGRAPHY AND SERUM MARKERS. Hepatology 52 (4):962A-962A

14. D'Anastasi M, Schneevoigt BS, Trottmann M, Crispin A, Stief C, Reiser MF, Clevert DA (2011) Acoustic radiation force impulse imaging of the testes: A preliminary experience. Clinical Hemorheology and Microcirculation 49 (1-4):105-114. doi:10.3233/ch-2011-1461

15. Ebinuma H, Saito H, Komuta M, Ojiro K, Wakabayashi K, Usui S, Chu P, Umeda R, Ishibashi Y, Takayama T, Kikuchi M, Nakamoto N, Yamagishi Y, Kanai T, Ohkuma K, Sakamoto M, Hibi T (2011) Evaluation of liver fibrosis by transient elastography using acoustic radiation force impulse: comparison with Fibroscan (R). Journal of Gastroenterology 46 (10):1238-1248. doi:10.1007/s00535-011-0437-3

16. Eiler J, Kleinholdermann U, Albers D, Dahms J, Hermann F, Behrens C, Luedemann M, Klingmueller V, Alzen GFP (2012) Standard value of ultrasound elastography using acoustic radiation force impulse imaging (ARFI) in healthy liver tissue of children and adolescents. Ultraschall in Der Medizin 33 (5):474-479. doi:10.1055/s-0032-1313145

17. Fahey BJ, Nightingale KR, Nelson RC, Palmeri ML, Trahey GE (2005) Acoustic radiation force impulse imaging of the abdomen: Demonstration of feasibility and utility. Ultrasound in Medicine and Biology 31 (9):1185-1198. doi:10.1016/j.ultrasmedbio.2005.05.004

18. Forestier N, Gaus A, Herrmann E, Sarrazin C, Bojunga J, Poynard T, Albert J, Gerber L, Schneider MD, Dultz G, Zeuzem S, Friedrich-Rust M (2012) Acoustic Radiation Force Impulse Imaging for Evaluation of Antiviral Treatment Response in Chronic Hepatitis C. Journal of Gastrointestinal and Liver Diseases 21 (4):367-373

19. Friedrich-Rust M, Nierhoff J, Lupsor M, Sporea I, Fierbinteanu-Braticevici C, Strobel D, Takahashi H, Yoneda M, Suda T, Zeuzem S, Herrmann E (2012) Performance of Acoustic Radiation Force Impulse imaging for the staging of liver fibrosis: a pooled meta-analysis. Journal of Viral Hepatitis 19 (2):E212-E219. doi:10.1111/j.1365-2893.2011.01537.x

20. Friedrich-Rust M, Romen D, Vermehren J, Kriener S, Sadet D, Herrmann E, Zeuzem S, Bojunga J (2012) Acoustic radiation force impulse-imaging and transient elastography for non-invasive assessment of liver fibrosis and steatosis in NAFLD. European Journal of Radiology 81 (3):E325-E331. doi:10.1016/j.ejrad.2011.10.029

21. Frulio N, Laumonier H, Carteret T, Laurent C, Maire F, Balabaud C, Bioulac-Sage P, Trillaud H (2013) Evaluation of Liver Tumors Using Acoustic Radiation Force Impulse Elastography and Correlation With Histologic Data. Journal of Ultrasound in Medicine 32 (1):121-130

22. Goertz RS, Egger C, Neurath MF, Strobel D (2012) Impact of Food Intake, Ultrasound Transducer, Breathing Maneuvers and Body Position on Acoustic Radiation Force Impulse (ARFI) Elastometry of the Liver. Ultraschall in Der Medizin 33 (4):380-385. doi:10.1055/s-0032-1312816

23. Goertz RS, Zopf Y, Jugl V, Heide R, Janson C, Strobel D, Bernatik T, Haendl T (2010) Measurement of Liver Elasticity with Acoustic Radiation Force Impulse (ARFI) Technology: An Alternative Noninvasive Method for Staging Liver Fibrosis in Viral Hepatitis. Ultraschall in Der Medizin 31 (2):151-155. doi:10.1055/s-0029-1245244

24. Grgurevic I, Cikara I, Horvat J, Lukic IK, Heinzl R, Banic M, Kujundzic M, Brkljacic B (2011) Noninvasive Assessment of Liver Fibrosis with Acoustic Radiation Force Impulse Imaging: Increased Liver and Splenic Stiffness in Patients with Liver Fibrosis and Cirrhosis. Ultraschall in Der Medizin 32 (2):160-166. doi:10.1055/s-0029-1245807

25. Guzman-Aroca F, Frutos-Bernal MD, Bas A, Lujan-Mompean JA, Reus M, Berna-Serna JD, Parrilla P (2012) Detection of non-alcoholic steatohepatitis in patients with morbid obesity before bariatric surgery: preliminary evaluation with acoustic radiation force impulse imaging. European Radiology 22 (11):2525-2532. doi:10.1007/s00330-012-2505-3

26. Guzman-Aroca F, Reus M, Berna-Serna JD, Serrano L, Serrano C, Gilabert A, Cepero A (2011) Reproducibility of Shear Wave Velocity Measurements by Acoustic Radiation Force Impulse Imaging of the Liver A Study in Healthy Volunteers. Journal of Ultrasound in Medicine 30 (7):975-979

27. Han JY, Cho JH, Kwon HJ, Nam KJ (2012) Predicting portal hypertension as assessed by acoustic radiation force impulse: correlations with the Doppler ultrasound. British Journal of Radiology 85 (1016):E404-E409. doi:10.1259/bjr/74648924

28. Hanquinet S, Courvoisier D, Kanavaki A, Dhouib A, Anooshiravani M (2013) Acoustic radiation force impulse imaging-normal values of liver stiffness in healthy children. Pediatric Radiology 43 (5):539-544. doi:10.1007/s00247-012-2553-5

29. Hanquinet S, Rougemont AL, Courvoisier D, Rubbia-Brandt L, McLin V, Tempia M, Anooshiravani M (2013) Acoustic radiation force impulse (ARFI) elastography for the noninvasive diagnosis of liver fibrosis in children. Pediatric Radiology 43 (5):545-551. doi:10.1007/s00247-012-2595-8

30. Haque M, Robinson C, Owen D, Yoshida EM, Harris A (2010) Comparison of acoustic radiation force impulse imaging (ARFI) to liver biopsy histologic scores in the evaluation of chronic liver disease: A pilot study. Annals of Hepatology 9 (3):289-293

31. Horster S, Mandel P, Zachoval R, Clevert DA (2010) Comparing Acoustic Radiation Force Impulse Imaging to transient elastography to assess liver stiffness in healthy volunteers with and without valsalva manoeuvre. Clinical Hemorheology and Microcirculation 46 (2-3):159-168. doi:10.3233/ch-2010-1342

32. Jaffer OS, Lung PFC, Bosanac D, Patel VM, Ryan SM, Heneghan MA, Quaglia A, Sidhu PS (2012) Acoustic radiation force impulse quantification: repeatability of measurements in selected liver segments and influence of age, body mass index and liver capsule-to-box distance. British Journal of Radiology 85 (1018):E858-E863. doi:10.1259/bjr/74797353

33. Kandiah K, Sangwaiya MJ, Tadrous P, Shorvon P, Sherman D (2011) ROLE OF ACOUSTIC RADIATION FORCE IMPULSE (ARFI) ELASTOGRAPHY IN THE NON-INVASIVE ASSESSMENT OF LIVER FIBROSIS IN CHRONIC VIRAL HEPATITIS: A SIMULTANEOUS COMPARISON WITH LIVER HISTOLOGY IN A SECONDARY CARE SETTING. Hepatology 54:905A-905A

34. Karlas T, Hempel M, Troltzsch M, Huster D, Gunther P, Tenckhoff H, Mossner J, Berg T, Keim V, Wiegand J (2012) Non-invasive evaluation of hepatic manifestation in Wilson disease with transient elastography, ARFI, and different fibrosis scores. Scandinavian Journal of Gastroenterology 47 (11):1353-1361. doi:10.3109/00365521.2012.719924

35. Karlas T, Neuschulz M, Oltmanns A, Guttler A, Petroff D, Wirtz H, Mainz JG, Mossner J, Berg T, Troltzsch M, Keim V, Wiegand J (2012) Non-Invasive Evaluation of Cystic Fibrosis Related Liver Disease in Adults with ARFI, Transient Elastography and Different Fibrosis Scores. Plos One 7 (7). doi:10.1371/journal.pone.0042139

36. Karlas T, Pfrepper C, Wiegand J, Wittekind C, Neuschulz M, Mossner J, Berg T, Troltzsch M, Keim V (2011) Acoustic radiation force impulse imaging (ARFI) for non-invasive detection of liver fibrosis: examination standards and evaluation of interlobe differences in healthy subjects and chronic liver disease. Scandinavian Journal of Gastroenterology 46 (12):1458-1467. doi:10.3109/00365521.2011.610004

37. Karlas TF, Pfrepper C, Rosendahl J, Benckert C, Wittekind C, Jonas S, Moessner J, Troltzsch M, Tillmann HL, Berg T, Keim V, Wiegand J (2011) Acoustic radiation force impulse (ARFI) elastography in acute liver failure: necrosis mimics cirrhosis. Zeitschrift Fur Gastroenterologie 49 (4):443-448. doi:10.1055/s-0029-1245690

38. Kim JE, Lee JY, Kim YJ, Yoon JH, Kim SH, Lee JM, Han JK, Choi BI (2010) ACOUSTIC RADIATION FORCE IMPULSE ELASTOGRAPHY FOR CHRONIC LIVER DISEASE: COMPARISON WITH ULTRASOUND-BASED SCORES OF EXPERIENCED RADIOLOGISTS, CHILD-PUGH SCORES AND LIVER FUNCTION TESTS. Ultrasound in Medicine and Biology 36 (10):1637-1643. doi:10.1016/j.ultrasmedbio.2010.07.016

39. Kircheis G, Sagir A, Vogt C, vom Dahl S, Kubit R, Haussinger D (2012) Evaluation of acoustic radiation force impulse imaging for determination of liver stiffness using transient elastography as a reference. World Journal of Gastroenterology 18 (10):1077-1084. doi:10.3748/wjg.v18.i10.1077

40. Kuroda H, Kakisaka K, Tatemichi Y, Sawara K, Miyamoto Y, Oikawa K, Miyasaka A, Takikawa Y, Masuda T, Suzuki K (2010) Non-invasive Evaluation of Liver Fibrosis Using Acoustic Radiation Force Impulse Imaging in Chronic Hepatitis Patients with Hepatitis C Virus Infection. Hepato-Gastroenterology 57 (102-03):1203-1207

41. Kuroda H, Takikawa Y, Onodera M, Kakisaka K, Yoshida Y, Kataoka K, Sawara K, Miyamoto Y, Oikawa K, Endo R, Suzuki K (2012) Serial changes of liver stiffness measured by acoustic radiation force impulse imaging in acute liver failure: A case report. Journal of Clinical Ultrasound 40 (2):99-104. doi:10.1002/jcu.20893

42. Kwon HJ, Kang MJ, Cho JH, Oh JY, Nam KJ, Han SY, Lee SW (2011) Acoustic radiation force impulse elastography for hepatocellular carcinoma-associated radiofrequency ablation. World Journal of Gastroenterology 17 (14):1874-1878. doi:10.3748/wjg.v17.i14.1874

43. Lee MJ, Kim MJ, Han KH, Yoon CS (2013) Age-related changes in liver, kidney, and spleen stiffness in healthy children measured with acoustic radiation force impulse imaging. European Journal of Radiology 82 (6):E290-E294. doi:10.1016/j.ejrad.2013.01.018

44. Manco M, Lo Zupone C, Alghisi F, D'Andrea ML, Lucidi V, Monti L (2012) Pilot study on the use of acoustic radiation force impulse imaging in the staging of cystic fibrosis associated liver disease. Journal of Cystic Fibrosis 11 (5):427-432. doi:10.1016/j.jcf.2012.04.001

45. Marginean CO, Marginean C (2012) Elastographic assessment of liver fibrosis in children: A prospective single center experience. European Journal of Radiology 81 (8):E870-E874. doi:10.1016/j.ejrad.2012.04.014

46. Monti L, Manco M, Lo Zupone C, Latini A, D'Andrea ML, Alghisi F, Lucidi V, Toma P, Bonomo L (2012) Acoustic radiation force impulse (ARFI) imaging with Virtual Touch Tissue Quantification in liver disease associated with cystic fibrosis in children. Radiologia Medica 117 (8):1408-1418. doi:10.1007/s11547-012-0874-y

47. Osaki A, Kubota T, Suda T, Igarashi M, Nagasaki K, Tsuchiya A, Yano M, Tamura Y, Takamura M, Kawai H, Yamagiwa S, Kikuchi T, Nomoto M, Aoyagi Y (2010) Shear wave velocity is a useful marker for managing nonalcoholic steatohepatitis. World Journal of Gastroenterology 16 (23):2918-2925. doi:10.3748/wjg.v16.i23.2918

48. Palmeri ML, Wang MH, Rouze NC, Abdelmalek MF, Guy CD, Moser B, Diehl AM, Nightingale KR (2011) Noninvasive evaluation of hepatic fibrosis using acoustic radiation force-based shear stiffness in patients with nonalcoholic fatty liver disease. Journal of Hepatology 55 (3):666-672. doi:10.1016/j.jhep.2010.12.019

49. Park H, Park JY, Kim DY, Ahn SH, Chon CY, Han KH, Kim SU (2013) Characterization of focal liver masses using acoustic radiation force impulse elastography. World Journal of Gastroenterology 19 (2):219-226. doi:10.3748/wjg.v19.i2.219

50. Piscaglia F, Salvatore V, Di Donato R, D'Onofrio M, Gualandi S, Gallotti A, Peri E, Borghi A, Conti F, Fattovich G, Sagrini E, Cucchetti A, Andreone P, Bolondi L (2011) Accuracy of VirtualTouch Acoustic Radiation Force Impulse (ARFI) Imaging for the Diagnosis of Cirrhosis during Liver Ultrasonography. Ultraschall in Der Medizin 32 (2):167-175. doi:10.1055/s-0029-1245948

51. Popescu A, Bota S, Sporea I, Sirli R, Danila M, Racean S, Suseanu D, Gradinaru O, Siegfried CI (2013) THE INFLUENCE OF FOOD INTAKE ON LIVER STIFFNESS VALUES ASSESSED BY ACOUSTIC RADIATION FORCE IMPULSE ELASTOGRAPHY-PRELIMINARY RESULTS. Ultrasound in Medicine and Biology 39 (4):579-584. doi:10.1016/j.ultrasmedbio.2012.11.013

52. Rifai K, Cornberg J, Mederacke I, Bahr MJ, Wedemeyer H, Malinski P, Bantel H, Boozari B, Potthoff A, Manns MP, Gebel M (2011) Clinical feasibility of liver elastography by acoustic radiation force impulse imaging (ARFI). Digestive and Liver Disease 43 (6):491-497. doi:10.1016/j.dld.2011.02.011

53. Rizzo L, Nunnari G, Berretta M, Cacopardo B (2012) Acoustic Radial Force Impulse as an effective tool for a prompt and reliable diagnosis of hepatocellular carcinoma - Preliminary data. European Review for Medical and Pharmacological Sciences 16 (11):1596-1598

54. Rotemberg V, Palmeri ML, Rouze NC, Nightingale R, Nightingale KR, Ieee (2012) Comparison between Acoustic Radiation Force Impulse (ARFI)-based hepatic stiffness quantification in deformed and undeformed pressurized canine livers. 2011 Ieee International Ultrasonics Symposium. doi:10.1109/ultsym.2011.0518

55. Shima H, Igarashi G, Wakisaka M, Hamano S, Nagae H, Koyama M, Kitagawa H (2012) Noninvasive acoustic radiation force impulse (ARFI) elastography for assessing the severity of fibrosis in the post-operative patients with biliary atresia. Pediatric Surgery International 28 (9):869-872. doi:10.1007/s00383-012-3140-4

56. Son CY, Kim SU, Han WK, Choi GH, Park H, Yang SC, Choi JS, Park JY, Kim DY, Ahn SH, Chon CY, Han KH (2012) Normal liver elasticity values using acoustic radiation force impulse imaging: A prospective study in healthy living liver and kidney donors. Journal of Gastroenterology and Hepatology 27 (1):130-136. doi:10.1111/j.1440-1746.2011.06814.x

57. Sporea I, Sirli R, Popescu A, Bota S, Badea R, Lupsor M, Focsa M, Danila M (2011) Is it better to use two elastographic methods for liver fibrosis assessment? World Journal of Gastroenterology 17 (33):3824-3829. doi:10.3748/wjg.v17.i33.3824

58. Sporea I, Vlad M, Bota S, Sirli RL, Popescu A, Danila M, Sendroiu M, Zosin I (2011) Thyroid Stiffness Assessment by Acoustic Radiation Force Impulse Elastography (ARFI). Ultraschall in Der Medizin 32 (3):281-285. doi:10.1055/s-0029-1246048

59. Stock KF, Klein BS, Cong MTV, Sarkar O, Romisch M, Regenbogen C, Buttner M, Schuster T, Matevossian E, Amann K, Clevert DA, Heemann U, Kuchle C (2010) ARFI-based tissue elasticity quantification in comparison to histology for the diagnosis of renal transplant fibrosis. Clinical Hemorheology and Microcirculation 46 (2-3):139-148. doi:10.3233/ch-2010-1340

60. Sturm J, Goertz RS, Pfeifer L, Wachter D, Neurath MF, Strobel D (2012) Cutoff Values of Liver Elasticity Measured by ARFI (Acoustic Radiation Force Impulse) Elastometry for Fibrosis Staging in Patients With Chronic Liver Disease (CLD). Gastroenterology 142 (5):S1012-S1012

61. Syversveen T, Brabrand K, Midtvedt K, Strom EH, Hartmann A, Jakobsen JA, Berstad AE (2011) Assessment of renal allograft fibrosis by acoustic radiation force impulse quantification - a pilot study. Transplant International 24 (1):100-105. doi:10.1111/j.1432-2277.2010.01165.x

62. Tian SM, Zhou P, Qian Y, Chen LR, Zhang P, Li RZ (2011) Usefulness of Acoustic Radiation Force Impulse Imaging in the Differential Diagnosis of Benign and Malignant Liver Lesions. Academic Radiology 18 (7):810-815. doi:10.1016/j.acra.2011.01.026

63. Tozaki M, Isobe S, Fukuma E (2011) Preliminary study of ultrasonographic tissue quantification of the breast using the acoustic radiation force impulse (ARFI) technology. European Journal of Radiology 80 (2):E182-E187. doi:10.1016/j.ejrad.2011.05.020

64. Tozaki M, Saito M, Joo C, Yamaguchi M, Isobe S, Ogawa Y, Homma K, Fukuma E (2011) Ultrasonographic tissue quantification of the breast using acoustic radiation force impulse technology: phantom study and clinical application. Japanese Journal of Radiology 29 (8):598-603. doi:10.1007/s11604-011-0591-9

65. Urban MW, Nenadic IZ, Chen SG, Greenleaf JF (2013) Discrepancies in Reporting Tissue Material Properties. Journal of Ultrasound in Medicine 32 (5):886-888

66. Vermehren J, Polta A, Zimmermann O, Herrmann E, Poynard T, Hofmann WP, Bojunga J, Sarrazin C, Zeuzem S, Friedrich-Rust M (2012) Comparison of acoustic radiation force impulse imaging with transient elastography for the detection of complications in patients with cirrhosis. Liver International 32 (5):852-858. doi:10.1111/j.1478-3231.2011.02736.x

67. Yoon KT, Lim SM, Park JY, Kim DY, Ahn SH, Han KH, Chon CY, Cho M, Lee JW, Kim SU (2012) Liver Stiffness Measurement Using Acoustic Radiation Force Impulse (ARFI) Elastography and Effect of Necroinflammation. Digestive Diseases and Sciences 57 (6):1682-1691. doi:10.1007/s10620-012-2044-4

68. Yu HJ, Wilson SR (2011) Differentiation of Benign From Malignant Liver Masses With Acoustic Radiation Force Impulse Technique. Ultrasound Quarterly 27 (4):217-223. doi:10.1097/RUQ.0b013e318239422e

69. Yu HJ, Wilson SR (2012) New Noninvasive Ultrasound Techniques Can They Predict Liver Cirrhosis? Ultrasound Quarterly 28 (1):5-11. doi:10.1097/RUQ.0b013e31824a4fc9

70. Bota S, Sporea I, Sirli R, Popescu A, Danila M, Sendroiu M (2011) Value of acoustic radiation force impulse elastography for the assessment of ascites syndrome. World journal of radiology 3 (8):205-209. doi:10.4329/wjr.v3.i8.205

71. Bota S, Sporea I, Sirli R, Popescu A, Danila M, Sendroiu M (2011) The influence of liver residual mass on the values of Acoustic Radiation Force Impulse Elastography (ARFI) in cirrhotic patients. Medical ultrasonography 13 (3):195-199

72. Cassinotto C, Lapuyade B, Ait-Ali A, Vergniol J, Gaye D, Foucher J, Bailacq-Auder C, Chermak F, Le Bail B, de Ledinghen V (2013) Liver fibrosis: noninvasive assessment with acoustic radiation force impulse elastography--comparison with FibroScan M and XL probes and FibroTest in patients with chronic liver disease. Radiology 269 (1):283-292. doi:10.1148/radiol.13122208

73. Friedrich-Rust M, Schlueter N, Smaczny C, Eickmeier O, Rosewich M, Feifel K, Herrmann E, Poynard T, Gleiber W, Lais C, Zielen S, Wagner TO, Zeuzem S, Bojunga J (2013) Non-invasive measurement of liver and pancreas fibrosis in patients with cystic fibrosis. Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society 12 (5):431-439. doi:10.1016/j.jcf.2012.12.013

74. Furuichi Y, Moriyasu F, Taira J, Sugimoto K, Sano T, Ichimura S, Miyata Y, Imai Y (2013) Noninvasive diagnostic method for idiopathic portal hypertension based on measurements of liver and spleen stiffness by ARFI elastography. Journal of gastroenterology 48 (9):1061-1068. doi:10.1007/s00535-012-0703-z

75. Gao J, Ran HT, Ye XP, Zheng YY, Zhang DZ, Wang ZG (2012) The stiffness of the liver and spleen on ARFI Imaging pre and post TIPS placement: a preliminary observation. Clinical imaging 36 (2):135-141. doi:10.1016/j.clinimag.2011.11.014

76. Hagara D, Schwarzenbach HR, Cerny A (2012) [New aspects in sonography of the liver]. Praxis 101 (18):1161-1166. doi:10.1024/1661-8157/a001063

77. Heide R, Strobel D, Bernatik T, Goertz RS (2010) Characterization of focal liver lesions (FLL) with acoustic radiation force impulse (ARFI) elastometry. Ultraschall in der Medizin 31 (4):405-409. doi:10.1055/s-0029-1245565

78. Kang J, Kwon H, Cho J, Oh J, Nam K, Yoon S, Kang M, Lee S, Han S (2012) Comparative study of shear wave velocities using acoustic radiation force impulse technology in hepatocellular carcinoma: the extent of radiofrequency ablation. Gut and liver 6 (3):362-367. doi:10.5009/gnl.2012.6.3.362

79. Nierhoff J, Chavez Ortiz AA, Herrmann E, Zeuzem S, Friedrich-Rust M (2013) The efficiency of acoustic radiation force impulse imaging for the staging of liver fibrosis: a meta-analysis. European radiology 23 (11):3040-3053. doi:10.1007/s00330-013-2927-6

80. Potthoff A, Attia D, Pischke S, Kirschner J, Mederacke I, Wedemeyer H, Manns MP, Gebel MJ, Rifai K (2013) Influence of different frequencies and insertion depths on the diagnostic accuracy of liver elastography by acoustic radiation force impulse imaging (ARFI). European journal of radiology 82 (8):1207-1212. doi:10.1016/j.ejrad.2013.02.011

81. Rifai K, Cornberg J, Bahr M, Mederacke I, Potthoff A, Wedemeyer H, Manns M, Gebel M (2011) ARFI elastography of the spleen is inferior to liver elastography for the detection of portal hypertension. Ultraschall in der Medizin 32 Suppl 2:E24-30. doi:10.1055/s-0031-1281771