TY  - JOUR
A1  - Wunsch, H.
A1  - Linde-Zwirble, W.T.
A1  - Angus, D.C.
T1  - Methods to adjust for bias and confounding in critical care health services research involving observational data
Y1  - 2006
DO  - 10.1016/j.jcrc.2006.01.004
JF  - Journal of Critical Care
VL  - 21
IS  - 1
SP  - 1
EP  - -7

ER  -