Rana Surinder Singh, Sharma Ravi, Gupta Rajesh
Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Department of Surgery, Division of Surgical Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Endosc Ultrasound. 2020 Jul-Aug;9(4):274-275. doi: 10.4103/eus.eus_46_20.