Effects of TTX and verapamil on the upstroke components of the action potential from the atrioventricular node of the rabbit.
D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001283:Atrioventricular Node / Q000187:drug effects* / Q000502:physiology; D006329:Heart Conduction System / Q000187:drug effects*; D066298:In Vitro Techniques; D011817:Rabbits; D013779:Tetrodotoxin / Q000494:pharmacology*; D014700:Verapamil / Q000494:pharmacology*
D013779:Tetrodotoxin; D014700:Verapamil