title: Heart excitatory and inhibitory substances in molluscan ganglia.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D002854:Chromatography, Paper; D004558:Electric Stimulation; D004586:Electrophoresis; D005724:Ganglia; D006321:Heart / Q000187:drug effects*; D008974:Mollusca; D009489:Neurosecretion; D010455:Peptides / Q000378:metabolism / Q000494:pharmacology*; D009435:Synaptic Transmission; D014020:Tissue Extracts / Q000032:analysis / Q000494:pharmacology*
chemical_list: D010455:Peptides; D014020:Tissue Extracts