title: [Once again: controlled clinical trials].
mesh_terms: D000787:Angina Pectoris / Q000628:therapy; D000925:Anticoagulants / Q000627:therapeutic use; D002986:Clinical Trials as Topic / Q000379:methods*; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000628:therapy; D004932:Esophageal and Gastric Varices / Q000628:therapy; D006801:Humans; D008103:Liver Cirrhosis / Q000150:complications; D009203:Myocardial Infarction / Q000188:drug therapy; D011379:Prognosis; D011897:Random Allocation; D012189:Retrospective Studies
chemical_list: D000925:Anticoagulants
vernacular_title: Noch einmal: Kontrollierte Klinische Versuche.