title: [Current situation on drug abuse in Japan: using a general population survey and a junior high school students survey].
authors.affiliation: Division of Drug Dependence Research, National Institute of Mental Health, National Center of Neurology and Psychiatry, 1-7-3 Kohnodai, Ichikawa-shi, Chiba 272-0827, Japan.
authors.forename: Kiyoshi
authors.initials: K
authors.lastname: Wada
authors.forename: Akiko
authors.initials: A
authors.lastname: Kikuchi
authors.forename: Ryogo
authors.initials: R
authors.lastname: Nakano
authors.forename: Shigeru
authors.initials: S
authors.lastname: Ozaki
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008875:Middle Aged; D011159:Population Surveillance; D015995:Prevalence; D011897:Random Allocation; D012574:Schools; D013334:Students / Q000523:psychology / Q000706:statistics & numerical data; D019966:Substance-Related Disorders / Q000453:epidemiology*; D011795:Surveys and Questionnaires; D013997:Time Factors