Patulous upper esophageal sphincter - an unusual endoscopic finding
Allwin James , Premkumar Karunakaran , Ratnakar Kini , Pugazhendhi Thangavel
(Turk J Gastroenterol 2018; 29: 116-118) DOI: 10.5152/tjg.2018.17189
Allwin James , Premkumar Karunakaran , Ratnakar Kini , Pugazhendhi Thangavel
(Turk J Gastroenterol 2018; 29: 116-118) DOI: 10.5152/tjg.2018.17189