著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Peter C. Austin,An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies,Multivariate Behavioral Research,0027-3171,Informa UK Limited,2011-05-31,46,3,399-424,https://cir.nii.ac.jp/crid/1361981468465230592,https://doi.org/10.1080/00273171.2011.568786