TY  - JOUR
A1  - Johnston, L.G.
A1  - Chen, Y.H.
A1  - Silva-Santisteban, A.
A1  - Raymond, H.F.
T1  - An empirical examination of respondent driven sampling design effects among HIV risk groups from studies conducted around the world
Y1  - 2013
DO  - 10.1007/s10461-012-0394-8
VL  - 17
IS  - 6

ER  -