Subfunctionalization reduces the fitness cost of gene duplication in humans by buffering dosage imbalances
BMC Genomics (2011) - Comments
pubmed: 22168623  doi: 10.1186/1471-2164-12-604  issn: 1471-2164 

Ariel Fernández, Yun-Huei Tzeng, Sze-Bi Hsu