title: Simple principles of clinical trials remain powerful.
authors.forename: Robert M
authors.initials: RM
authors.lastname: Califf
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use*; D002314:Cardioplegic Solutions / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005947:Glucose / Q000627:therapeutic use*; D006495:Heparin, Low-Molecular-Weight / Q000627:therapeutic use*; D006801:Humans; D007328:Insulin / Q000627:therapeutic use*; D009203:Myocardial Infarction / Q000188:drug therapy*; D011188:Potassium / Q000627:therapeutic use*; D011787:Quality of Health Care; D012107:Research Design
chemical_list: D000925:Anticoagulants; D002314:Cardioplegic Solutions; D006495:Heparin, Low-Molecular-Weight; D007328:Insulin; C030396:glucose-insulin-potassium cardioplegic solution; C094240:reviparin; D005947:Glucose; D011188:Potassium