[Problems in the practice of mass examination of hypertension. I. Results in Akita prefecture].
D000328:Adult; D000368:Aged; D005260:Female; D005654:Fundus Oculi; D006801:Humans; D006973:Hypertension / Q000175:diagnosis*; D007564:Japan; D008297:Male; D008403:Mass Screening; D008875:Middle Aged