[Survey on epidemiological factors of hypertension in different nationalities].
D000293:Adolescent; D000328:Adult; D002648:Child; D002681:China; D005006:Ethnicity; D005260:Female; D006801:Humans; D006973:Hypertension / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D011897:Random Allocation