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) Trias W. Rakhmawati and Il Do Ha and Hangbin Lee and Youngjo Lee,Penalized variable selection for cause‐specific hazard frailty models with clustered competing‐risks data,Statistics in Medicine,0277-6715,Wiley,2021-09-20,40,29,6541-6557,https://cir.nii.ac.jp/crid/1360855569084807040,https://doi.org/10.1002/sim.9197