title: Two siblings with mental retardation and progressive spasticity.
authors.affiliation: Clinical Genetics, Institute of Child Health, London, UK.
authors.forename: P
authors.initials: P
authors.lastname: Nicolaides
authors.forename: M
authors.initials: M
authors.lastname: Baraitser
authors.forename: E M
authors.initials: EM
authors.lastname: Brett
mesh_terms: D002648:Child; D002675:Child, Preschool; D004827:Epilepsy / Q000150:complications / Q000235:genetics*; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000150:complications / Q000235:genetics*; D008297:Male; D015419:Spastic Paraplegia, Hereditary / Q000150:complications / Q000235:genetics*