1. HLA: a super supergene;Bodmer;Harvey Lect.,1978
2. Is the gene the unit of selection?;Franklin;Genetics,1970
3. Genetic diversity at class II DRB loci of the Fig. 2a-c. Fraction of accepted recombinants as functions of primate MHC;Gyllensten;J. Immunol.,1991
4. Neutrality or selection?;Hedrick;Nature,1997
5. Evolution of major histocompatibility complex: Independent origin of nonclassical class I genes in different groups of mammals;Hughes;Mol. Biol. Evolz.,1989