title: Action of manganese ions and tetrodotoxin on atrioventricular nodal transmembrane potentials in isolated rabbit hearts.
mesh_terms: D000818:Animals; D003864:Depression, Chemical; D004837:Epinephrine / Q000494:pharmacology; D006329:Heart Conduction System / Q000187:drug effects* / Q000502:physiology; D006863:Hydrogen-Ion Concentration; D008345:Manganese / Q000494:pharmacology*; D008564:Membrane Potentials / Q000187:drug effects; D011817:Rabbits; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D008345:Manganese; D013779:Tetrodotoxin; D004837:Epinephrine