title: Negative ionotropic effect of sodium valproate on some isolated heart preparations.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D002118:Calcium / Q000494:pharmacology*; D004347:Drug Interactions; D004837:Epinephrine / Q000494:pharmacology; D006632:Histamine / Q000494:pharmacology; D009200:Myocardial Contraction / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology*; D011817:Rabbits; D011898:Ranidae; D013045:Species Specificity; D014635:Valproic Acid / Q000494:pharmacology*
chemical_list: D014635:Valproic Acid; D001285:Atropine; D006632:Histamine; D000109:Acetylcholine; D011188:Potassium; D002118:Calcium; D004837:Epinephrine