The Canada Youth and AIDS Study.
Kerr
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American School Health Association, Kent, OH 44240-0708.
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control* / Q000635:transmission; D000293:Adolescent; D001294:Attitude to Health; D002170:Canada; D002648:Child; D015438:Health Behavior; D006266:Health Education / Q000379:methods*; D006801:Humans; D012307:Risk Factors