title: Evolution of MHC class II allelic diversity.
authors.affiliation: Department of Microbiology and Immunology, Stanford University School of Medicine, CA 94305-5402, USA.
authors.forename: H
authors.initials: H
authors.lastname: McDevitt
mesh_terms: D000483:Alleles; D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D005075:Biological Evolution; D005802:Genes, MHC Class II / Q000235:genetics* / Q000276:immunology; D006801:Humans; D008969:Molecular Sequence Data; D011110:Polymorphism, Genetic