title: Action of diazepam, dibutyryl cGMP, and GABA on presynaptic nerve terminals in bullfrog sympathetic ganglia.
mesh_terms: D000613:Aminobutyrates / Q000494:pharmacology*; D000818:Animals; D006152:Cyclic GMP / Q000031:analogs & derivatives* / Q000494:pharmacology; D003975:Diazepam / Q000494:pharmacology*; D005725:Ganglia, Autonomic / Q000187:drug effects* / Q000648:ultrastructure; D008564:Membrane Potentials / Q000187:drug effects*; D011892:Rana catesbeiana; D013564:Sympathetic Nervous System / Q000187:drug effects / Q000648:ultrastructure; D013570:Synaptic Membranes / Q000187:drug effects*; D005680:gamma-Aminobutyric Acid / Q000494:pharmacology*
chemical_list: D000613:Aminobutyrates; D005680:gamma-Aminobutyric Acid; D006152:Cyclic GMP; D003975:Diazepam