The Carterton study. 1. Sampling methods and response rates.
D000328:Adult; D000367:Age Factors; D000368:Aged; D004562:Electrocardiography; D005006:Ethnicity; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D009520:New Zealand; D009749:Nutrition Surveys; D010808:Physical Examination; D013902:Radiography, Thoracic; D012494:Sampling Studies; D012737:Sex Factors; D014505:Urban Population