title: Building a Learning Marijuana Surveillance System.
authors.affiliation: Department of Pediatrics, Harvard Medical School, Boston, Massachusetts2Division of Developmental Medicine, Boston Children's Hospital, Boston, Massachusetts.
authors.forename: Sharon
authors.initials: S
authors.lastname: Levy
authors.affiliation: Department of Pediatrics, Harvard Medical School, Boston, Massachusetts3Division of Adolescent/Young Adult Medicine, Boston Children's Hospital, Boston, Massachusetts.
authors.forename: Elissa R
authors.initials: ER
authors.lastname: Weitzman
mesh_terms: D006801:Humans; D002189:Marijuana Abuse / Q000453:epidemiology*; D008385:Marijuana Smoking / Q000453:epidemiology* / Q000331:legislation & jurisprudence; D062486:Public Health Surveillance / Q000379:methods*; D014481:United States