Letter: Coronary drug project.
D002994:Clofibrate / Q000627:therapeutic use*; D003327:Coronary Disease / Q000188:drug therapy* / Q000401:mortality; D006801:Humans; D009539:Nicotinic Acids / Q000627:therapeutic use*; D012660:Semantics
D009539:Nicotinic Acids; D002994:Clofibrate