title: Substance abuse in military personnel: better or worse?
authors.forename: L I
authors.initials: LI
authors.lastname: Gardner
mesh_terms: D006801:Humans; D008889:Military Personnel / Q000706:statistics & numerical data*; D012106:Research / Q000592:standards*; D012307:Risk Factors; D012907:Smoking / Q000453:epidemiology*; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States