Korean nationwide blood pressure study.
D000328:Adult; D000367:Age Factors; D000368:Aged; D004522:Educational Status; D005260:Female; D006801:Humans; D006973:Hypertension / Q000453:epidemiology*; D007723:Korea; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012111:Residence Characteristics; D012737:Sex Factors