Further studies on the inhibitory effect of acetylcholine on the response of guinea-pig ileum to histamine.
D000109:Acetylcholine / Q000494:pharmacology*; D006168:Guinea Pigs; D006632:Histamine; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D007082:Ileum / Q000187:drug effects*
D006634:Histamine H1 Antagonists; D006632:Histamine; D000109:Acetylcholine
ACETYLCHOLINE/effects; ANTIHISTAMINICS/effects; ILEUM/effect of drugs on