Overview of Phenylketonuria
UptoDate (May), Bodamer,O.A., 2008
Cognitive and Behavioral Outcomes of School-Aged Children Who Were Born Preterm
JAMA 288:728-737, Bhutta,A.T.,et al, 2002
Neuropsychological Effects of Long-Term Exposure to Organophosphates in Sheep Dip
Lancet 345:1135-1139, Stephens,R.,et al, 1995