==المراجع==* GeneReviews/NCBI/NIH/UW entry on Phenylalanine Hydroxylase Deficiency* PAHdb - online locus-specific mutation database of the human phenylalanine hydroxylase gene* Molecule of the Month: Phenylalanine Hydroxylase
==References====Further reading====External links==* GeneReviews/NCBI/NIH/UW entry on Phenylalanine Hydroxylase Deficiency* Locus-specific database of the human phenylalanine hydroxylase gene variants* Molecule of the Month: Phenylalanine Hydroxylase