title: Modification of cardiac pace-maker current by 4-aminopyridine [proceedings].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D006329:Heart Conduction System / Q000502:physiology*; D007700:Kinetics; D011690:Purkinje Fibers / Q000187:drug effects / Q000502:physiology*; D011725:Pyridines / Q000494:pharmacology*; D012756:Sheep
chemical_list: D011725:Pyridines