title: Reply to three letters: Dubravcsik et al, Murion et al and Fan et al The horse must come before the cart ….
authors.forename: Tossapol
authors.initials: T
authors.lastname: Kerdsirichairat
authors.forename: Mustafa
authors.initials: M
authors.lastname: Arain
authors.forename: Martin
authors.initials: M
authors.lastname: Freeman
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000009:adverse effects* / Q000379:methods*; D020878:Device Removal / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D010183:Pancreatic Ducts / Q000601:surgery*; D010195:Pancreatitis / Q000601:surgery*; D016879:Salvage Therapy / Q000379:methods*; D015607:Stents