Hypertension-related mortality by health service area 1968-72.
D000328:Adult; D000368:Aged; D002391:Catchment Area, Health; D005260:Female; D006306:Health Surveys; D006801:Humans; D006973:Hypertension / Q000401:mortality* / Q000517:prevention & control; D008297:Male; D008875:Middle Aged; D012306:Risk; D014481:United States