title: Morphine and biliary pain revisited.
authors.affiliation: Department of Medicine, University of Calgary and Clinical Regional Department Head, Internal Medicine, Calgary Regional Health Authority Foothills Hospital 1403-29th Street NW, Calgary, Alberta T29 T2N, Canada. Eldon.Shaffer@crha-health.ab.ca
authors.forename: E A
authors.initials: EA
authors.lastname: Shaffer
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D001660:Biliary Tract Diseases / Q000517:prevention & control*; D002760:Cholangiopancreatography, Endoscopic Retrograde; D003085:Colic / Q000517:prevention & control*; D006801:Humans; D009020:Morphine / Q000627:therapeutic use*
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine