TY  - GEN
AU  - Linsley,Peter S
TI  - New look at an old costimulator
SN  - 1529-2908
PY  - 2005///0324
KW  - Antigen-Presenting Cells
KW  - immunology
KW  - CD28 Antigens
KW  - chemistry
KW  - Humans
N1  - Publication Type: News; Comment
UR  - https://doi.org/10.1038/ni0305-231
ER  -