Phenylalanine levels in blood and urine in newborn infants, measured by Guthrie test.

@article{Lund1965PhenylalanineLI,
  title={Phenylalanine levels in blood and urine in newborn infants, measured by Guthrie test.},
  author={Elisabeth Buus Lund and K Vollmond and B Ovlisen},
  journal={Acta pathologica et microbiologica Scandinavica},
  year={1965},
  volume={64 3},
  pages={299-304}
}