title: The effect of a serotonin inhibitor on the serotonin content and ultrastructure of rat atria and ventricles with special reference to atrial granules.
mesh_terms: D000818:Animals; D001923:Brain Chemistry / Q000187:drug effects; D003594:Cytoplasmic Granules / Q000187:drug effects*; D003864:Depression, Chemical; D010134:Fenclonine / Q000494:pharmacology; D005470:Fluorometry; D008297:Male; D009206:Myocardium / Q000378:metabolism / Q000648:ultrastructure*; D051381:Rats; D012701:Serotonin / Q000378:metabolism*; D012702:Serotonin Antagonists / Q000494:pharmacology*
chemical_list: D012702:Serotonin Antagonists; D012701:Serotonin; D010134:Fenclonine