title: The effect of morphine on mammalian nerve fibres.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D002415:Cats; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D009412:Nerve Fibers / Q000187:drug effects*; D010791:Phrenic Nerve / Q000187:drug effects; D011817:Rabbits; D012032:Refractory Period, Electrophysiological / Q000187:drug effects; D013497:Sural Nerve / Q000187:drug effects; D014630:Vagus Nerve / Q000187:drug effects
chemical_list: D009270:Naloxone; D009020:Morphine; D002118:Calcium