Sethia Rahul, Prasad Manya, Garg Pramod Kumar
Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India.
Department of Clinical Research and Epidemiology, Institute of Liver and Biliary Sciences, New Delhi, India.
Gastroenterology. 2021 Jul;161(1):361-362. doi: 10.1053/j.gastro.2020.12.045. Epub 2020 Dec 31.