title: The variation of noradrenaline output with frequency of nerve stimulation and the effect of morphine on the cat nictitating membrane and on the guinea-pig myenteric plexus.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000818:Animals; D002415:Cats; D004558:Electric Stimulation; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology*; D009197:Myenteric Plexus / Q000187:drug effects*; D009541:Nictitating Membrane / Q000187:drug effects*; D009638:Norepinephrine / Q000378:metabolism*; D010643:Phenoxybenzamine / Q000494:pharmacology; D012636:Secretory Rate / Q000187:drug effects
chemical_list: D010643:Phenoxybenzamine; D009020:Morphine; D000109:Acetylcholine; D009638:Norepinephrine