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) BACH M. A.,Respective influence of extrinsic and intrinsic factors on age-related decrease of thymic secretion,J. Immunol.,,,1979,122,,1056-1058,https://cir.nii.ac.jp/crid/1572261549976358400,