TY  - RPRT
TI  - Major histocompatibility complex and cell cooperation.
AU  - O Vainio
AU  - P Toivanen
AU  - A Toivanen
PY  - 1987
DO  - 10.3382/ps.0660795
UR  - https://pubmed.ncbi.nlm.nih.gov/3306644/
ID  - 3306644
ER  -