RT Journal Article SR Electronic T1 Proton pump inhibitors increase the risk of cholecystitis: a population-based case–control study JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1337 OP 1339 DO 10.1136/gutjnl-2018-316899 VO 68 IS 7 A1 Shih-Chieh Chuang A1 Che-Chen Lin A1 Cheng-Yuan Peng A1 Wen-Hsin Huang A1 Wen-Pang Su A1 Shih-Wei Lai A1 Hsueh-Chou Lai YR 2019 UL http://gut.bmj.com/content/68/7/1337.abstract AB