Rana Surinder Singh, Sharma Ravi, Gupta Rajesh
Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Department of Surgical Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Endosc Ultrasound. 2021 Sep-Oct;10(5):396-397. doi: 10.4103/EUS-D-21-00045.