title: An unusual inhibitory effect of histamine: suppression of atropine-resistant tetanic spasms after mepyramine block of histamine contractions.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001920:Bradykinin / Q000494:pharmacology; D004558:Electric Stimulation; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology*; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects; D012701:Serotonin / Q000494:pharmacology
chemical_list: D006634:Histamine H1 Antagonists; D012701:Serotonin; D001285:Atropine; D006632:Histamine; D001920:Bradykinin