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Purpose To investigate the distributions of HLA-B alleles and estimate their associations with idiopathic male infertility in Chinese Han population. Methods Polymerase chain reaction-sequence-based typing (PCR-SBT) method was used for DNA typing at HLA-B locus in 109 patients with idiopathic male infertility and 152 healthy controls in male Han population of Shaanxi Province, situated in northwestern...
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