Rana Surinder Singh, Sharma Ravi, Gupta Rajesh
Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
Department of Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
Endosc Ultrasound. 2019 Sep-Oct;8(5):348-349. doi: 10.4103/eus.eus_30_19.