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) Rick L. Williams,A Note on Robust Variance Estimation for Cluster‐Correlated Data,Biometrics,0006-341X,Oxford University Press (OUP),2000-06,56,2,645-646,https://cir.nii.ac.jp/crid/1362825896263880448,https://doi.org/10.1111/j.0006-341x.2000.00645.x