Drug survey among first-team schoolboy rugby players.
Skowno
J
J
D000293:Adolescent; D004300:Doping in Sports / Q000706:statistics & numerical data*; D005538:Football; D006801:Humans; D008297:Male; D013019:South Africa / Q000453:epidemiology; D019966:Substance-Related Disorders / Q000453:epidemiology