1. Albert, E. D., Rittner, C., Grosse-Wilde, H., Netzel, B., Scholz, S.: Recombination frequency and linkage disequilibrium between HL-A and Bf. In: Histocompatibility testing, F. Kissmeyer-Nielsen (ed.), pp. 941?944. Copenhagen: Munksgaard 1975
2. Allen, F. H.: Linkage of HLA and GBG. Vox Sang. (Basel) 27, 382?384 (1974)
3. Bender, K., Frank, R., Hitzeroth, H. W.: Glyoxalase I polymorphism in South-African Bantuspeaking Negroids. Hum. Genet. 38, 223?226 (1977)
4. Bender, K., Mayerov�, A., Frank, R., Hiller, Ch., Wienker, T.: Haplotype analysis of the linkage group HLA-A: HLA-B: Bf and its bearing on the interpretation of the linkage disequilibrium. Hum. Genet. 36, 191?196 (1977b)
5. Hetzeroth, H. W., Bender, K., Wolfswinkel, J. M.: Esterase D polymorphism in South African Negroids. S. Afr. J. Sci. 72, 301?303 (1976)