title: Direct and reflex cardiostimulating effects of hydralazine.
mesh_terms: D000818:Animals; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006830:Hydralazine / Q000494:pharmacology*; D009200:Myocardial Contraction / Q000187:drug effects; D009599:Nitroprusside / Q000494:pharmacology
chemical_list: D009599:Nitroprusside; D006830:Hydralazine