title: The role of prevention.
authors.affiliation: Center for Substance Abuse Prevention, Rockville, MD 20857, USA.
authors.forename: E M
authors.initials: EM
authors.lastname: Johnson
mesh_terms: D000293:Adolescent; D000328:Adult; D017048:Health Care Costs; D006801:Humans; D011322:Primary Prevention; D019966:Substance-Related Disorders / Q000517:prevention & control*; D014029:Tobacco Use Disorder / Q000517:prevention & control; D014754:Violence; D017132:Workplace