1. Allelic variation in the DR subregion of the human major histocompatibility complex;Bell,1987
2. Molecular mapping of class II polymorphisms in the human major histocompatibility complex. I. DRβ;Bell;J. Immunol,1987
3. Molecular organisation of the DQ subregion (DO-DX-DV-DQ) of the human MHC and its evolutionary implications;Blanck;J. Immunol,1988
4. HLA-DR β genes vary in number between different DR specificities, whereas the number of DQ β genes is constant;Böhme;J. Immunol,1985