| Authors: |
Kamani L; Department of Gastroenterology, Liaquat National Hospital, Karachi, Sind, Pakistan., Shaikh T; Department of Gastroenterology, Liaquat National Hospital, Karachi, Sind, Pakistan., Yousaf MS; Department of Gastroenterology, Prime Teaching Hospital, Peshawar, Khyber Pakhtunkhwa, Pakistan., Tareen KA; Department of Gastroenterology, Shaikh Khalifa Bin Zahid Hospital, Quetta, Balochistan, Pakistan., Bhatti TK; Department of Gastroenterology, Pakistan Institute of Medical Sciences, Islamabad, Pakistan., Bashir H; Department of Gastroenterology, Liaquat National Hospital, Karachi, Sind, Pakistan., Devi J; Department of Gastroenterology, Washington University, Saint Louis, Missouri, United States of America., Akram M; Department of Gastroenterology, Mukhtar A Sheikh Hospital, Multan, Punjab, Pakistan., Shaukat A; Department of Medicine, Division of Gastroenterology and Hepatology, NYU Grossman School of Medicine, New York City, New York, United States of America., Burke CA; Department of Gastroenterology, Hepatology and Nutrition, Cleveland Clinic, Cleveland, Ohio, United States of America. |