title: Was the MHC made for the immune system, or did immunity take advantage of an ancient polymorphic gene family encoding cell surface interaction molecules? A speculative essay.
authors.affiliation: Department of Pathology, Stanford University School of Medicine, CA 94305.
authors.forename: I L
authors.initials: IL
authors.lastname: Weissman
mesh_terms: D006649:Histocompatibility Antigens / Q000235:genetics*; D007107:Immune System; D008285:Major Histocompatibility Complex; D011110:Polymorphism, Genetic
chemical_list: D006649:Histocompatibility Antigens