Diagnostic Yield of the Neurologic Assessment of the Developmentally Delayed Child
J Pediatr 127:193-199, Majnemer,A.&Shevell,M.I., 1995
Girls with Fragile X Syndrome:Physical and Neurocognitive Status and Outcome
Pediatrics 89:395-400, Hagerman,R.J.,et al, 1992
Pediatric Neurology
Psych Annals 2:1, , 1972