Nature 245, 359 - 361 (19 October 1973); doi:10.1038/245359a0

Multiple Polymorphism in Relation to Histocompatibility Antigens

F. M. BURNET

School of Microbiology, University of Melbourne, Parkville, Victoria 3052, Australia

The extreme polymorphism of the histo-compatibility antigens may have evolved to ensure that the body of an individual is not invaded by cells from another individual of the same species.

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