title: Calcium-dependent presynaptic action of substance P at the frog neuromuscular junction.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D004600:Eledoisin / Q000494:pharmacology; D008564:Membrane Potentials / Q000187:drug effects; D009045:Motor Endplate / Q000187:drug effects; D009411:Nerve Endings / Q000187:drug effects*; D009469:Neuromuscular Junction / Q000187:drug effects*; D011894:Rana pipiens; D013373:Substance P / Q000494:pharmacology*; D009435:Synaptic Transmission / Q000187:drug effects*
chemical_list: D013373:Substance P; D004600:Eledoisin; D002118:Calcium