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Influence of the number of HLA-A, B, C, DRB1 mismatches on aGVHD 2-4 in PTCy regimens. (A) Stratification according to the number of antigenic mismatches on the unshared haplotype (N = 313). (B) Stratification according to the number of allelic mismatches on the unshared haplotype (N = 258).
