1. Agnello, V., de Bracco, M. M. E., Kunkel, H. G.: Hereditary C2 deficiency with some manifestations of systemic lupus erythematosus. J. Immunol. 106, 837?840 (1973)
2. Albert, E. D., Mickey, M. R., Ting, A., Terasaki, P. I.: Deduction of 2140 HL-A haplotypes and segregation analysis in 535 families. Transplant. Proc.5, 215?221 (1973)
3. Allen, F. H., Jr.: Linkage of HL-A and GBG. Vox Sang.(Basel) 27, 382?384 (1974)
4. Alper, C. A., Boenisch, T., Watson, L.: Glycine-rich ?-glycoprotein (GBG): Evidence for relation to the complement system and for genetic polymorphism in man. J.Immunol. 107, 323 (1971) (Abstr.)
5. Alper, C. A., Boenisch, T., Watson, L.: Genetic polymorphism in human glycine-rich ?-glycoprotein. J. exp. Med. 135, 68?80 (1972)