著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Sheng,Expression of programmed death ligand-1 on tumor cells varies pre and post chemotherapy in non-small cell lung cancer,Sci. Rep.,,,2016,6,20090,,https://cir.nii.ac.jp/crid/1370849942034103813,