title: Specific antagonism to the direct and indirect action of angiotensin on isolated guinea-pig ileum.
mesh_terms: D000804:Angiotensin II / Q000494:pharmacology*; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004336:Drug Antagonism; D006168:Guinea Pigs; D007082:Ileum; D066298:In Vitro Techniques; D009130:Muscle, Smooth / Q000187:drug effects / Q000502:physiology*; D010830:Physostigmine / Q000494:pharmacology; D010879:Piperazines / Q000494:pharmacology*
chemical_list: D010879:Piperazines; D000804:Angiotensin II; D001285:Atropine; D010830:Physostigmine