PhenylketonuriasPhenylketonuria, MaternalPhenylalanine HydroxylasePhenylalaninePhenylpyruvic AcidsBiopterinNeonatal ScreeningAnabaena variabilisInfant, NewbornMetabolism, Inborn ErrorsMicrocephalyIntelligenceDiet TherapyPhenylalanine Ammonia-LyaseCongenital HypothyroidismHomogentisic AcidIntellectual DisabilityDiet, Protein-RestrictedGalactosemiasTyrosine