Duplication of the MECP2 region is a frequent cause of severe mental retardation and progressive neurological symptoms in males.
Am J Hum Genet. 2005 Sep;77(3):442-53. doi: 10.1086/444549. Epub 2005 Jul 29.
Am J Hum Genet. 2005.
PMID: 16080119
Free PMC article.