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The exact aetiology and pathogenesis of most non‐obstructive azoospermia (NOA) are still unknown. The previous two genomewide association studies (GWASs) have identified three different loci within the HLA region for NOA in the Han Chinese population, including rs3129878, rs498422 and rs7194. To further validate the risk of three GWAS‐linked loci for NOA, we conducted a case–control study of these...
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