["Youth without drugs". No!].
D000293:Adolescent; D001294:Attitude to Health; D006291:Health Policy; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009294:Narcotics / Q000627:therapeutic use; D018671:Needle-Exchange Programs; D019966:Substance-Related Disorders / Q000517:prevention & control*; D013557:Switzerland
D009294:Narcotics; D008691:Methadone