TY - GEN AU - Welsh,Raymond M AU - Selin,Liisa K TI - Attrition of memory CD8 T cells SN - 1476-4687 PY - 2009///0610 KW - Animals KW - CD8-Positive T-Lymphocytes KW - cytology KW - Humans KW - Immunologic Memory KW - immunology KW - Vaccination N1 - Publication Type: Comment; Journal Article UR - https://doi.org/10.1038/nature08091 ER -