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) Xiaoping Zhu,Comparison of Four Methods for Handing Missing Data in Longitudinal Data Analysis through a Simulation Study,Open Journal of Statistics,2161-718X,"Scientific Research Publishing, Inc.",2014,04,11,933-944,https://cir.nii.ac.jp/crid/1360016870225964160,https://doi.org/10.4236/ojs.2014.411088