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) Madan G. Kundu and Jyotirmoy Sarkar,On information fraction for Fleming‐Harrington type weighted log‐rank tests in a group‐sequential clinical trial design,Statistics in Medicine,0277-6715,Wiley,2021-02-24,40,10,2321-2338,https://cir.nii.ac.jp/crid/1360302473569441408,https://doi.org/10.1002/sim.8905