The effect of a needle exchange program on numbers of discarded needles: a 2-year follow-up.
Doherty M, Junge B, Rathouz P, Garfein R, Riley E, Vlahov D. The effect of a needle exchange program on numbers of discarded needles: a 2-year follow-up. American Journal Of Public Health 2000, 90: 936-9. PMID: 10846512, PMCID: PMC1446248, DOI: 10.2105/ajph.90.6.936.Peer-Reviewed Original Research