Saxena Payal, Aguila Gerard, Kumbhari Vivek, Khashab Mouen A
Department of Medicine and Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.
Endoscopy. 2014;46 Suppl 1 UCTN:E140-1. doi: 10.1055/s-0033-1359240. Epub 2014 Apr 22.