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Griffiths, Peter; Smith, Caroline; Harvie, Ann – American Journal on Mental Retardation, 1997
Cognitive and behavioral effects of temporarily elevating levels of phenylalanine in treated phenylketonuria (PKU) were investigated in a triple-blind crossover study with 16 early and continuously treated children and adolescents with PKU. Results suggest that intellectual ability, memory, and conduct are not affected by medium-term elevated…
Descriptors: Adolescents, Behavior Patterns, Children, Cognitive Ability
