Hussein Hassan Okasha, et al. “Role of Endoscopic Ultrasound Elastography Strain Histograms in the Evaluation of Patients With Pancreatic Masses”. Turkish Journal of Gastroenterology, vol. 32, no. 6, June 2021, pp. 519-25, https://tjg.avesjournals.com/index.php/tjg/article/view/4082.