1. Review of neonatal screening programme for phenylketonuria;Smith, I.; Cook, B.; Beasley, M.;BMJ,1991
2. Molecular basis of phenotypic heterogeneity in phenylketonuria;Okano, Y.; Eisensmith, R.C.; Guttler, F.;N EnglJMed,1991
3. Outcome of treatment in young adults with phenylketonuria detected by routine neonatal screening between 1964 and;Beasley, M.G.; Costello, P.M.; Smith, I.,1971
4. Effect on intelligence of relaxing the low phenylalanine diet in phenylketonuria;Smith, I.; Beasley, M.G.; Ades, A.E.;Arch Dis Child,1991
5. Intelligence and quality of dietary treatment in phenylketonuria;Smith, I.; Beasley, M.G.; Ades, A.E.;Arch Dis Child,1990