1. Recurrence of the R408W mutation in the phenylalanine hydroxylase locus in Europeans;Eisensmith;Am. J. Hum. Genet.,1995
2. Guldberg, P., Henriksen, K.F., Lou, H.C., Güttler, F. 1998. Aberrant phenylalanine metabolism in phenylketonuria heterozygotes. J Inherit Metab Dis. Jun;21(4):365-72.
3. A simple phenylalanine method for detecting phenylketonuria in large populations of newborn infants;Guthrie;Pediatrics,1963
4. Mutation analysis anticipates dietary requirements in phenylketonuria;Güttler;Eur. J. Pediatr.,2000
5. Molecular characterization of phenylketonuria in South Brazil;Santana da Silava;Mol. Genet. Metab.,2003