Six new dr52-associated drb1 alleles, three of dr8, two of dr11, and one of dr6, reflect a variety of mechanisms which generate polymorphism in the mhc - Smith, A G; Nelson, J L; Regen, L; Guthrie, J A; Donadi, Eduardo Antônio; Mickelson, E M; Hansen, J. A. (Tissue Antigens, 1996)