Gillani, Lt Col Fayyaz Mehmood, et al. “FIBROSCAN: A NON INVASIVE TOOL FOR PREDICTING EARLY ESOPHAGEAL VARICES IN CHRONIC LIVER DISEASE SECONDARY TO HEPATITIS C VIRUS INFECTION: Fibroscan in Liver Disease”. Pakistan Armed Forces Medical Journal, vol. 62, no. 4, Dec. 2012, pp. 477-82, https://pafmj.org/PAFMJ/article/view/1919.