Dawra Saurabh, Sharma Vishal, Dutta Usha
Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Clin Gastroenterol Hepatol. 2018 Aug;16(8):e84-e85. doi: 10.1016/j.cgh.2017.09.023. Epub 2018 Apr 5.