title: Endoscopic retrograde cholangiopancreatography in nonagenarians: a decades-long experience in a single center.
authors.forename: Helen
authors.initials: H
authors.lastname: Steed
mesh_terms: D000369:Aged, 80 and over; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000706:statistics & numerical data; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012189:Retrospective Studies