title: [Stoichiometry of cholinergic synaptic vesicles].
mesh_terms: D000109:Acetylcholine / Q000302:isolation & purification; D000200:Action Potentials; D000255:Adenosine Triphosphate / Q000302:isolation & purification; D000818:Animals; D001001:Anura; D002799:Cholinergic Fibers / Q000502:physiology*; D004557:Electric Organ / Q000032:analysis / Q000648:ultrastructure; D004593:Electrophorus / Q000033:anatomy & histology; D013572:Synaptic Vesicles / Q000032:analysis / Q000502:physiology*
chemical_list: D000255:Adenosine Triphosphate; D000109:Acetylcholine