Drug use and weapon carrying by young people. Study did not go far enough.
Macleod
J
J
Loudon
R
R
Hickman
M
M
Judd
A
A
D000293:Adolescent; D000328:Adult; D003625:Data Collection / Q000379:methods; D005389:Firearms / Q000706:statistics & numerical data*; D006801:Humans; D015588:Observer Variation; D012606:Scotland / Q000453:epidemiology; D019966:Substance-Related Disorders / Q000453:epidemiology*