R; A/ K5 D- i+ J: b! f, L3. Xinzhu Wei et al. CCR5-∆32 is deleterious in the homozygous state in humans. Nature Medicine, 2019, doi:10.1038/s41591-019-0459-6, https://www.nature.com/articles/s41591-019-0459-6. . @) z/ d2 W. X3 E3 y) B8 K4 ^$ ~6 }9 L$ b
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