Ali, Dr Usman, et al. “DIAGNOSTIC ACCURACY OF ULTRASOUND IN DETERMINING ESOPHAGEAL VARICES IN HEPATIC CIRRHOSIS BASED ON SPLENIC SIZE ASSESSMENT: Esophageal Varices in Hepatic Cirrhosis”. Pakistan Armed Forces Medical Journal, vol. 68, no. 1, Feb. 2018, pp. 85-89, https://www.pafmj.org/PAFMJ/article/view/1571.