Are American children and youth fit? The need for better data.
Blair
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Division of Epidemiology, Cooper Institute for Aerobics Research, Dallas, TX.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003625:Data Collection; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D010809:Physical Fitness; D012015:Reference Standards; D014481:United States