TY  - RPRT
TI  - Early evolution of MHC polymorphism.
AU  - D R Forsdyke
PY  - 1991
DO  - 10.1016/s0022-5193(05)80439-4
UR  - https://pubmed.ncbi.nlm.nih.gov/1943129/
ID  - 1943129
ER  -