title: Narcotic analgesic, its antagonists and common bile duct pressure.
authors.affiliation: Department of Anesthesia, Anhui Provincial Hospital, Hefei, China.
authors.forename: Y H
authors.initials: YH
authors.lastname: Gao
authors.forename: X Q
authors.initials: XQ
authors.lastname: Chai
mesh_terms: D000328:Adult; D000368:Aged; D000628:Aminophylline; D000771:Anesthesia, Intravenous; D001285:Atropine; D002763:Cholecystectomy; D003135:Common Bile Duct / Q000187:drug effects*; D005283:Fentanyl; D006801:Humans; D006874:Hydrostatic Pressure; D008875:Middle Aged; D009270:Naloxone; D009803:Sphincter of Oddi / Q000187:drug effects
chemical_list: D000628:Aminophylline; D009270:Naloxone; D001285:Atropine; D005283:Fentanyl