title: The effect of buprenorphine and morphine on intraluminal pressure of the common bile duct.
mesh_terms: D002047:Buprenorphine / Q000494:pharmacology*; D003135:Common Bile Duct / Q000187:drug effects* / Q000502:physiology; D006801:Humans; D009019:Morphinans / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology*; D011312:Pressure
chemical_list: D009019:Morphinans; D002047:Buprenorphine; D009020:Morphine