TY  - RPRT
TI  - Multiple ways to cellular immune tolerance.
AU  - V Geenen
AU  - G Kroemer
PY  - 1993
DO  - 10.1016/0167-5699(93)90195-q
UR  - https://pubmed.ncbi.nlm.nih.gov/8305129/
ID  - 8305129
ER  -