TY  - RPRT
TI  - Peripheral tolerance as a multi-step mechanism.
AU  - G J Hämmerling
AU  - G Schönrich
AU  - I Ferber
AU  - B Arnold
PY  - 1993
DO  - 10.1111/j.1600-065x.1993.tb01511.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8225373/
ID  - 8225373
ER  -