[Scores on propensity (I) Conception and measures.].
Wang
Yong-ji
YJ
Department of Health Statistics, Faculty of Preventative Medicine, Fourth Military Medical University, Xi'an 710032, China.
Cai
Hong-wei
HW
Xia
Jie-lai
JL
Jiang
Zhi-wei
ZW
D015233:Models, Statistical; D057216:Propensity Score