Digitalis--a new controversy regarding an old drug. The pitfalls of inappropriate methods.
D002986:Clinical Trials as Topic; D003327:Coronary Disease / Q000401:mortality / Q000601:surgery; D004070:Digitalis; D006333:Heart Failure / Q000188:drug therapy; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy / Q000401:mortality; D010946:Plants, Medicinal; D010947:Plants, Toxic; D011379:Prognosis; D011897:Random Allocation; D013223:Statistics as Topic