1. A third locus in the HLA human transplantation system;Walford;Nature,1969
2. Evidence of a third sublocus within the HLA chromosomal region;Sandberg,1972
3. HLA molecules at the cell surface;Bernoco,1972
4. Genetic analysis of products of the third SD (AJ) locus of the HLA system;Mayr,1969
5. Reference tables of two locus haplotype frequencies for all MHC marker loci;Baur,1984