The Tonga cardiovascular and metabolic study: design, demographic aspects and medical findings.
D000328:Adult; D000368:Aged; D002318:Cardiovascular Diseases / Q000453:epidemiology*; D003430:Cross-Sectional Studies; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D008659:Metabolic Diseases / Q000453:epidemiology*; D008875:Middle Aged; D011114:Polynesia; D012424:Rural Population; D014058:Tonga; D014507:Urbanization