Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for phenylketonuria ?
    ### Response:
    These resources address the diagnosis or management of phenylketonuria:  - Baby's First Test  - Gene Review: Gene Review: Phenylalanine Hydroxylase Deficiency  - Genetic Testing Registry: Phenylketonuria  - MedlinePlus Encyclopedia: Phenylketonuria  - Medli
    