title: An action of 5-hydroxytryptamine on the frog motor end-plate.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001001:Anura; D004298:Dopamine / Q000494:pharmacology*; D007478:Iontophoresis; D009469:Neuromuscular Junction / Q000187:drug effects; D009435:Synaptic Transmission / Q000187:drug effects*
chemical_list: D000109:Acetylcholine; D004298:Dopamine