title: Does gamma-aminobutyric acid in blood control transmitter release in bullfrog sympathetic ganglia?
mesh_terms: D000818:Animals; D001001:Anura; D001339:Autonomic Fibers, Preganglionic / Q000378:metabolism; D005071:Evoked Potentials; D005728:Ganglia, Sympathetic / Q000378:metabolism*; D018377:Neurotransmitter Agents / Q000378:metabolism*; D011892:Rana catesbeiana; D009435:Synaptic Transmission; D005680:gamma-Aminobutyric Acid / Q000097:blood*
chemical_list: D018377:Neurotransmitter Agents; D005680:gamma-Aminobutyric Acid