title: Effects of tryptamine on mechanical and electrical activities of sino-atrial frog auricular trabeculae [proceedings].
mesh_terms: D000818:Animals; D002118:Calcium / Q000502:physiology; D004558:Electric Stimulation; D006321:Heart / Q000502:physiology; D066298:In Vitro Techniques; D012849:Sinoatrial Node / Q000187:drug effects*; D014363:Tryptamines / Q000494:pharmacology*
chemical_list: D014363:Tryptamines; D002118:Calcium