Syringe exchange program.
Makulowich
G S
GS
D018562:Disease Transmission, Infectious / Q000517:prevention & control*; D015658:HIV Infections / Q000209:etiology / Q000635:transmission*; D006801:Humans; D018671:Needle-Exchange Programs / Q000458:organization & administration*; D016730:Program Development; D015819:Substance Abuse, Intravenous / Q000150:complications*; D014481:United States