# Association mapping reveals the role of purifying selection in the maintenance of genomic variation in gene expression

> Research article (Proceedings of the National Academy of Sciences, 2015) · cited 137× · AI/ML

**Wikidata**: [openalex:W2177081428](https://www.wikidata.org/wiki/openalex:W2177081428)  
**Source**: https://4ort.xyz/entity/association-mapping-reveals-the-role-of-purifying-selection-in-the-maintenance-of-genomic-variation-in-gene-expression