Persistent mild hyperphenylalaninemia in the untreated state. A prospective study.

@article{Levy1971PersistentMH,
  title={Persistent mild hyperphenylalaninemia in the untreated state. A prospective study.},
  author={Harvey L. Levy and Vivian E. Shih and V Karolkewicz and W A French and Julie Carr and V M Cass and Joseph L. Kennedy and R A MacCready},
  journal={The New England journal of medicine},
  year={1971},
  volume={285 8},
  pages={424-9}
}