著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Berger, Vance",Selection bias and covariate imbalances in randomized clinical trials,,John Wiley & Sons,2005,Statistics in practice,,9780470863626,,https://cir.nii.ac.jp/crid/1130000795632198144