title: Effect of calcium and magnesium on spontaneous transmitter release accelerated by raised potassium.
mesh_terms: D000818:Animals; D001001:Anura; D002025:Bufonidae; D002118:Calcium / Q000494:pharmacology*; D008274:Magnesium / Q000494:pharmacology*; D009132:Muscles / Q000294:innervation; D009991:Oscillometry; D011188:Potassium / Q000494:pharmacology*; D011898:Ranidae; D009435:Synaptic Transmission / Q000187:drug effects*
chemical_list: D008274:Magnesium; D011188:Potassium; D002118:Calcium