Role of federal government.
Makulowich
G S
GS
D006078:Government Programs / Q000191:economics / Q000458:organization & administration*; D015658:HIV Infections / Q000517:prevention & control*; D006801:Humans; D009316:National Institutes of Health (U.S.); D018671:Needle-Exchange Programs / Q000191:economics / Q000458:organization & administration*; D011050:Policy Making; D014481:United States