Commission on chronic illness follow-up study. Comparison of screened and nonscreened individuals.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001294:Attitude to Health; D002908:Chronic Disease / Q000175:diagnosis / Q000453:epidemiology* / Q000401:mortality*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009098:Multiphasic Screening; D044469:Racial Groups; D012737:Sex Factors; D012923:Social Class