title: The action of morphine and related substances on contraction and on acetylcholine output of coaxially stimulated guinea-pig ileum. 1956.
authors.forename: W D
authors.initials: WD
authors.lastname: Paton
mesh_terms: D000109:Acetylcholine / Q000266:history* / Q000378:metabolism; D000818:Animals; D006168:Guinea Pigs; D049673:History, 20th Century; D007082:Ileum / Q000187:drug effects* / Q000378:metabolism; D009020:Morphine / Q000266:history* / Q000494:pharmacology; D009022:Morphine Derivatives / Q000266:history* / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D009294:Narcotics / Q000266:history* / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: D009022:Morphine Derivatives; D009294:Narcotics; D009020:Morphine; D000109:Acetylcholine