title: Problems of interpretation in secondary prevention trials in coronary heart disease.
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D000925:Anticoagulants / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003327:Coronary Disease / Q000517:prevention & control*; D006801:Humans; D009026:Mortality; D010352:Patient Dropouts; D010919:Placebos; D012107:Research Design
chemical_list: D000889:Anti-Arrhythmia Agents; D000925:Anticoagulants; D010919:Placebos