title: [Effect of nicotinamide on atrioventricular conduction in rabbits].
mesh_terms: D000818:Animals; D001283:Atrioventricular Node / Q000187:drug effects*; D002118:Calcium / Q000494:pharmacology; D002121:Calcium Channel Blockers / Q000494:pharmacology; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D009536:Niacinamide / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology; D011817:Rabbits; D014700:Verapamil / Q000494:pharmacology
chemical_list: D002121:Calcium Channel Blockers; D009536:Niacinamide; D011433:Propranolol; D014700:Verapamil; D002118:Calcium