TY  - JOUR
A1  - Gregson, S.
A1  - Terceira, N.
A1  - Kakowa, M.
A1  - Mason, P.R.
A1  - Anderson, R.M.
A1  - Chandiwana, S.K.
A1  - Caraël, M.
T1  - Study of bias in antenatal clinic HIV-1 surveillance data in a high contraceptive prevalence population in sub-Saharan Africa
Y1  - 2002
DO  - 10.1097/00002030-200203080-00017
JF  - AIDS
VL  - 16
IS  - 4
SP  - 643
EP  - -652

ER  -