title: ERCP: targeting the stone.
authors.forename: S
authors.initials: S
authors.lastname: Adamsen
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000009:adverse effects*; D042882:Gallstones / Q000175:diagnosis*; D006801:Humans; D018579:Patient Selection; D018570:Risk Assessment