[Hypertension and stroke: examination of risk factors].
D000704:Analysis of Variance; D002561:Cerebrovascular Disorders / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D006973:Hypertension / Q000453:epidemiology / Q000209:etiology*; D007564:Japan; D009203:Myocardial Infarction / Q000453:epidemiology; D014481:United States