title: Use of intravenous morphine to improve peroperative imaging of the biliary system.
authors.affiliation: Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan.
authors.forename: M N
authors.initials: MN
authors.lastname: Siddiqui
authors.forename: A M
authors.initials: AM
authors.lastname: Jafarey
authors.forename: M
authors.initials: M
authors.lastname: Ahmed
mesh_terms: D002758:Cholangiography / Q000379:methods*; D006801:Humans; D007262:Infusions, Intravenous; D007430:Intraoperative Care; D009020:Morphine / Q000008:administration & dosage*
chemical_list: D009020:Morphine