title: Reply to Fan et al.
authors: Ryan
authors: R
authors: Law
authors: Todd H
authors: TH
authors: Baron
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000379:methods*; D005260:Female; D005774:Gastrostomy / Q000379:methods*; D006801:Humans; D008297:Male; D046628:Sphincter of Oddi Dysfunction / Q000601:surgery*