Springer Nature [academic journals on nature.com], Molecular Psychiatry, 1(17), p. 4-7, 2011
DOI: 10.1038/mp.2011.95
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Letter to the Editor: X-linked intellectual disability (XLID), defined as clinical ID combined with a pedigree consistent with X-linked inheritance, is a genetically heterogeneous condition that affects more than 10% of males with ID. Currently there are at least 92 genes known to cause XLID, 1-3 yet a large proportion of XLID cases remain unexplained, as each of the XLID genes identified so far only accounts for a small fraction (