title: Reply to Thomson.
authors.forename: Mohammad
authors.initials: M
authors.lastname: Yaghoobi
authors.forename: Qi
authors.initials: Q
authors.lastname: Pauls
authors.forename: Peter B
authors.initials: PB
authors.lastname: Cotton
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000009:adverse effects*; D003137:Common Bile Duct Diseases / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D010195:Pancreatitis / Q000453:epidemiology*; D011183:Postoperative Complications / Q000453:epidemiology*; D009803:Sphincter of Oddi / Q000503:physiopathology*; D046628:Sphincter of Oddi Dysfunction / Q000601:surgery*; D016717:Sphincterotomy, Endoscopic / Q000009:adverse effects*