Clinical trials in the secondary prevention of myocardial infarction and stroke.
D002561:Cerebrovascular Disorders / Q000517:prevention & control*; D002986:Clinical Trials as Topic / Q000379:methods*; D005163:Factor Analysis, Statistical; D006801:Humans; D009203:Myocardial Infarction / Q000517:prevention & control*; D009934:Organization and Administration / Q000379:methods; D011897:Random Allocation; D012107:Research Design