[Drug addiction: extent of the problem].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000661:Amphetamine; D001463:Barbiturates; D002188:Cannabis; D005260:Female; D006801:Humans; D008238:Lysergic Acid Diethylamide; D008297:Male; D008875:Middle Aged; D009294:Narcotics; D012737:Sex Factors; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders; D014149:Tranquilizing Agents; D014481:United States
D001463:Barbiturates; D009294:Narcotics; D014149:Tranquilizing Agents; D008238:Lysergic Acid Diethylamide; D000661:Amphetamine
Les toxicomanies: étendue de problème.