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) Iris Eekhout and Henrica C.W. de Vet and Jos W.R. Twisk and Jaap P.L. Brand and Michiel R. de Boer and Martijn W. Heymans,Missing data in a multi-item instrument were best handled by multiple imputation at the item score level,Journal of Clinical Epidemiology,0895-4356,Elsevier BV,2014-03,67,3,335-342,https://cir.nii.ac.jp/crid/1363107369800607744,https://doi.org/10.1016/j.jclinepi.2013.09.009