title: Teenaged siblings with progressive neurocognitive disease.
authors.affiliation: Division of Chemical Pathology, Groote Schuur and Red Cross War Memorial Children's Hospitals, National Health Laboratories Service, University of Cape Town, South Africa.
authors.forename: David
authors.initials: D
authors.lastname: Haarburger
authors.forename: Rudi
authors.initials: R
authors.lastname: Renison
authors.forename: Surita
authors.initials: S
authors.lastname: Meldau
authors.forename: Roland
authors.initials: R
authors.lastname: Eastman
authors.forename: George
authors.initials: G
authors.lastname: van der Watt
mesh_terms: D000293:Adolescent; D003072:Cognition Disorders / Q000209:etiology*; D002658:Developmental Disabilities / Q000209:etiology*; D005260:Female; D006801:Humans; D020138:Hyperhomocysteinemia / Q000150:complications*; D008297:Male; D011782:Quadriplegia / Q000209:etiology; D012640:Seizures / Q000209:etiology; D035781:Siblings