Langman, R E <br/><br/>
What is the selective pressure that maintains the gene loci encoding the antigen receptors of T and B cells? A hypothesis.  [electronic resource] 

 -  Immunology and cell biology  Dec 1992 
 - 397-404 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0818-9641 
<br/><br/><label>Standard No.: </label>10.1038/icb.1992.52  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alleles<br/>Animals<br/>Antibody Formation<br/>Biological Evolution<br/>Genes<br/>Genes, Immunoglobulin<br/>Histocompatibility Antigens--immunology<br/>Immunity, Cellular<br/>Ligands<br/>Models, Genetic<br/>Receptors, Antigen, B-Cell--genetics<br/>Receptors, Antigen, T-Cell--genetics<br/>Selection, Genetic