title: Ionic requirements of synaptic transmitter release.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000502:physiology*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000502:physiology; D013569:Synapses; D009435:Synaptic Transmission / Q000502:physiology*
chemical_list: D002118:Calcium