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) SEGEV DL,Steroid avoidance in liver transplantation : meta-analysis and meta-regression of randomized trials,Liver Transpl,,,2008,14,,512-525,https://cir.nii.ac.jp/crid/1571135650988699648,