[Errors of methodology. General considerations seen by the cardiologist].
D002309:Cardiology; D002986:Clinical Trials as Topic / Q000379:methods*; D004311:Double-Blind Method; D004358:Drug Therapy; D006801:Humans; D011897:Random Allocation; D012107:Research Design
Gli errori di metodologia. Considerazioni generali viste dal cardiologo.