TY  - JOUR
A1  - Faugier, J.
A1  - Sargeant, M.
T1  - Sampling hard to reach populations
Y1  - 1997
DO  - 10.1046/j.1365-2648.1997.00371.x
JF  - Journal of Advanced Nursing
VL  - 26
SP  - 790
EP  - -797

ER  -