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Fraser, P.A., Awdeh, Z.L., Ronco, P. et al. C4B gene polymorphisms among African and African-American HLA-Bw42-DRw18 haplotypes. Immunogenetics 34, 52–56 (1991). https://doi.org/10.1007/BF00212312
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DOI: https://doi.org/10.1007/BF00212312