title: Evaluating national harm reduction programs.
authors.forename: Don C
authors.initials: DC
authors.lastname: Des Jarlais
mesh_terms: D005602:France; D040261:Harm Reduction; D006291:Health Policy; D006801:Humans; D018671:Needle-Exchange Programs; D015397:Program Evaluation; D019966:Substance-Related Disorders / Q000517:prevention & control*