TY  - JOUR
A1  - Cleland, J.
A1  - Boerma, J.T.
A1  - Caraël, M.
A1  - Weir, S.S.
T1  - Monitoring sexual behaviour in general populations: a synthesis of lessons of the past decades
Y1  - 2004
DO  - 10.1136/sti.2004.013151
JF  - Sexually Transmitted Infections
VL  - 80
IS  - Supplement II
SP  - iii1
EP  - -ii7

ER  -