title: Positive inotropic effect of 4-aminopyridine on dog ventricular muscle.
mesh_terms: D000631:Aminopyridines / Q000494:pharmacology*; D000818:Animals; D004285:Dogs; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects*; D010869:Pindolol / Q000494:pharmacology; D012110:Reserpine / Q000494:pharmacology; D013268:Stimulation, Chemical; D013997:Time Factors
chemical_list: D000631:Aminopyridines; D012110:Reserpine; D010869:Pindolol