000 00544 a2200193 4500
003 OSt
005 20150613093816.0
008 150612b xxu||||| |||| 00| 0 eng d
020 _a9781452235004
040 _c
082 _a519.53
_bGUO
100 _aGuo, Shenyang
245 _aPropensity Score Analysis: Statistical Methods and Applications
250 _a2nd ed
260 _c2015
_bSage Publications
_aLos Angeles
300 _a421p
700 _aFraser, Mark W.
942 _2ddc
_cLB
_k519.53
_mGUO
999 _c92981
_d92981