Mutations in the X-linked cyclin-dependent kinase-like 5 (CDKL5/STK9) gene are associated with severe neurodevelopmental retardation.
Am J Hum Genet. 2004 Dec;75(6):1149-54. doi: 10.1086/426460.
Am J Hum Genet. 2004.
PMID: 15499549
Free PMC article.