title: Potency of 3,4-diaminopyridine and 4-aminopyridine on mammalian neuromuscular transmission and the effect of pH changes.
mesh_terms: D000631:Aminopyridines / Q000494:pharmacology*; D000818:Animals; D001001:Anura; D001905:Botulinum Toxins / Q000494:pharmacology; D002118:Calcium / Q000502:physiology; D004558:Electric Stimulation; D006146:Guanidines / Q000494:pharmacology; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D009411:Nerve Endings / Q000378:metabolism; D009469:Neuromuscular Junction / Q000187:drug effects*; D018377:Neurotransmitter Agents / Q000378:metabolism; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D011896:Rana temporaria; D009435:Synaptic Transmission / Q000187:drug effects*
chemical_list: D000631:Aminopyridines; D006146:Guanidines; D018377:Neurotransmitter Agents; D000644:Quaternary Ammonium Compounds; D001905:Botulinum Toxins; D002118:Calcium