title: MHC evolution: a long term investment in defense.
authors.affiliation: Dept of Microbiology and Immunology, University of California Los Angeles School of Medicine 90024.
authors.forename: M
authors.initials: M
authors.lastname: Kronenberg
authors.forename: R
authors.initials: R
authors.lastname: Brines
authors.forename: J
authors.initials: J
authors.lastname: Kaufman
mesh_terms: D000818:Animals; D005075:Biological Evolution; D006801:Humans; D008285:Major Histocompatibility Complex / Q000235:genetics*; D051379:Mice; D011110:Polymorphism, Genetic