1. Evidence for origin, by recurrent mutation, of the phenylalanine hydroxylase R408W on two haplotypes in European and Quebec populations;Bycke, S.; Morgan, K.; Tyfield, L.; Dworniczak, B.; Scriver, C.R.;Hum Mol Genet,1994
2. Recurrence of the R408W mutation in the PAH locus in Europeans;Eisensmith, R.C.; Goltsov, A.A.; O'Neill, C.;Am J7 Hum Genet,1995
3. Oligophrenia phenylpyrouvica. Finska Lak Sallsk Handl;Malm, E.,1950
4. Prevalence of phenylketonuria and some other metabolic disorders among mentally retarded patients in Finland;Palo, J.;Acta Neurol Scand,1967
5. The incidence of PKU in Finland;Visakorpi, J.K.; Palo, J.; Renkonen, O.V.;Acta Paediatr Scand,1971