An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies
Multivariate behavioral research, 2011-05, Vol.46 (3), p.399
[Peer Reviewed Journal]
ISSN: 0027-3171 ;EISSN: 1532-7906 ;DOI: 10.1080/00273171.2011.568786
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