Cost effectiveness of SEPs.
Makulowich
G S
GS
D001315:Australia / Q000453:epidemiology; D003362:Cost-Benefit Analysis; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control; D015528:HIV Seroprevalence / Q000639:trends*; D006801:Humans; D015994:Incidence; D018671:Needle-Exchange Programs / Q000191:economics* / Q000706:statistics & numerical data; D015819:Substance Abuse, Intravenous; D014481:United States / Q000453:epidemiology