title: Restricted activity days and other problems associated with use of marijuana or cocaine among persons 18-44 years of age: United States, 1991.
authors.affiliation: Division of Health Interview Statistics, National Center for Health Statistics.
authors.forename: D W
authors.initials: DW
authors.lastname: Keer
authors.forename: J D
authors.initials: JD
authors.lastname: Colliver
authors.forename: A N
authors.initials: AN
authors.lastname: Kopstein
authors.forename: A L
authors.initials: AL
authors.lastname: Hughes
authors.forename: J C
authors.initials: JC
authors.lastname: Gfroerer
authors.forename: S C
authors.initials: SC
authors.lastname: Rice
authors.forename: C A
authors.initials: CA
authors.lastname: Schoenborn
mesh_terms: D000203:Activities of Daily Living; D000293:Adolescent; D000328:Adult; D003042:Cocaine / Q000009:adverse effects*; D005260:Female; D015438:Health Behavior; D006305:Health Status Indicators; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000150:complications / Q000453:epidemiology*; D019966:Substance-Related Disorders / Q000150:complications / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology