title: Effect of caffeine on the neuromuscular junction of the frog, and its relation to external calcium concentration.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D002110:Caffeine / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology* / Q000502:physiology; D066298:In Vitro Techniques; D008839:Microelectrodes; D009469:Neuromuscular Junction / Q000187:drug effects*; D011898:Ranidae; D009435:Synaptic Transmission / Q000187:drug effects; D014403:Tubocurarine / Q000494:pharmacology
chemical_list: D002110:Caffeine; D002118:Calcium; D014403:Tubocurarine