title: Lessons from the myocardial infarction research units.
mesh_terms: D006439:Hemodynamics; D006801:Humans; D007423:Intra-Aortic Balloon Pumping; D009203:Myocardial Infarction / Q000503:physiopathology / Q000628:therapy*; D009599:Nitroprusside / Q000627:therapeutic use; D011379:Prognosis
chemical_list: D009599:Nitroprusside