title: [Psychoactive substance-related disorders: general remarks from the epidemiological point of view].
authors: National Institute of Mental Health, NCNP.
authors: Kiyoshi
authors: K
authors: Wada
mesh_terms: D000293:Adolescent; D006801:Humans; D007564:Japan / Q000453:epidemiology; D019966:Substance-Related Disorders / Q000453:epidemiology*; D013997:Time Factors