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) SAURWEIN-TEISSL M.,Lack of antibody production following immunization in old age : association with CD8(+)CD28(-) T cell clonal expansions and an imbalance in the production of Th1 and Th2 cytokines,J. Immunol.,,,2002,168,,5893,https://cir.nii.ac.jp/crid/1570009750337570432,