Little help from article on anabolic steroids.
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D000293:Adolescent; D045930:Anabolic Agents; D001294:Attitude to Health; D004300:Doping in Sports / Q000517:prevention & control* / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D015995:Prevalence
D045930:Anabolic Agents