title: Fluid-potentiometer and acetylcholine bioassay with clam entire heart.
mesh_terms: D000109:Acetylcholine / Q000032:analysis* / Q000494:pharmacology; D000818:Animals; D001681:Biological Assay; D049872:Bivalvia / Q000187:drug effects*; D002540:Cerebral Cortex / Q000378:metabolism; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D011199:Potentiometry / Q000295:instrumentation; D012701:Serotonin / Q000494:pharmacology; D013572:Synaptic Vesicles / Q000378:metabolism
chemical_list: D012701:Serotonin; D000109:Acetylcholine