title: Electrophysiological and pharmacological study of the inotropic effects of adrenaline, dopamine and tryptamine on frog atrial fibres.
mesh_terms: D000818:Animals; D004298:Dopamine / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology*; D006325:Heart Atria / Q000187:drug effects; D006892:Hydroxydopamines / Q000494:pharmacology; D009200:Myocardial Contraction / Q000187:drug effects*; D009994:Osmolar Concentration; D011893:Rana esculenta; D013268:Stimulation, Chemical; D014363:Tryptamines / Q000494:pharmacology*
chemical_list: D006892:Hydroxydopamines; D014363:Tryptamines; C030820:tryptamine; D004298:Dopamine; D004837:Epinephrine