title: Cholinergic inhibition of frog sinus venosus [proceedings].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D002217:Carbachol / Q000494:pharmacology*; D066298:In Vitro Techniques; D011892:Rana catesbeiana; D012849:Sinoatrial Node / Q000187:drug effects*
chemical_list: D002217:Carbachol