A study of hypertension in twins.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003237:Connecticut; D004200:Diseases in Twins / Q000453:epidemiology*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000235:genetics*; D008297:Male; D008875:Middle Aged; D012737:Sex Factors