HIV surveillance in hard-to-reach populations.
Schwartländer
B
B
Ghys
P D
PD
Pisani
E
E
Kiessling
S
S
Lazzari
S
S
Caraël
M
M
Kaldor
J M
JM
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000635:transmission; D004196:Disease Outbreaks; D005260:Female; D006716:Homosexuality; D006801:Humans; D008297:Male; D011159:Population Surveillance / Q000379:methods*; D011477:Sex Work; D015819:Substance Abuse, Intravenous; D014171:Transients and Migrants