Rana Surinder Singh, Sharma Ravi, Gupta Rajesh
Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
Department of Surgical Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
Endosc Ultrasound. 2021 Mar-Apr;10(2):141-142. doi: 10.4103/eus.eus_63_20.