Narcotics and the sphincter of Oddi.
Karasek
J
J
D014670:Ampulla of Vater / Q000187:drug effects*; D000701:Analgesics, Opioid / Q000494:pharmacology*; D006801:Humans; D009292:Narcotic Antagonists / Q000494:pharmacology*; D009803:Sphincter of Oddi / Q000187:drug effects*
D000701:Analgesics, Opioid; D009292:Narcotic Antagonists