[Drug abuse in Japan].
Matsumura
Y
Y
Nihon University School of Medicine, Tokyo, Japan.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003415:Crime / Q000706:statistics & numerical data; D006801:Humans; D007564:Japan / Q000453:epidemiology; D007880:Legislation, Drug; D008875:Middle Aged; D012940:Social Problems / Q000706:statistics & numerical data; D019966:Substance-Related Disorders / Q000453:epidemiology*; D013997:Time Factors