Larroux, Claire; Fahey, Bryony; Degnan, Sandie M.; Adamski, Marcin; Rokhsar, Daniel S.; Degnan, Bernard M. (1996). "The NK Homeobox Gene Cluster Predates the Origin of Hox Genes". Current Biology. 17 (8): 706–710. doi:10.1016/j.cub.2007.03.008. PMID17379523. S2CID18994676.
Larroux, Claire; Fahey, Bryony; Degnan, Sandie M.; Adamski, Marcin; Rokhsar, Daniel S.; Degnan, Bernard M. (1996). "The NK Homeobox Gene Cluster Predates the Origin of Hox Genes". Current Biology. 17 (8): 706–710. doi:10.1016/j.cub.2007.03.008. PMID17379523. S2CID18994676.
Larroux, Claire; Fahey, Bryony; Degnan, Sandie M.; Adamski, Marcin; Rokhsar, Daniel S.; Degnan, Bernard M. (1996). "The NK Homeobox Gene Cluster Predates the Origin of Hox Genes". Current Biology. 17 (8): 706–710. doi:10.1016/j.cub.2007.03.008. PMID17379523. S2CID18994676.