Williams RA. et al "Phenylketonuria: an inborn error of phenylalanine metabolism"   Clin Biochem Rev. 2008 Feb;29(1):31-41
Fernstrom JD1. et al "Tyrosine, phenylalanine, and catecholamine synthesis and function in the brain"   J Nutr. 2007 Jun;137(6 Suppl 1):1539S-1547S
Malina HZ. et al "Deamination of 3-hydroxykynurenine in bovine lenses: a possible mechanism of cataract formation in general"   Graefes Arch Clin Exp Ophthalmol. 1995 Jan;233(1):38-44
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