@article{PietzFaetkenheuerBurgardetal.1997,
  author    = {J. Pietz and Brigitte F{\"a}tkenheuer and P. Burgard and M. Armbruster and G{\"u}nter Esser and Martin H. Schmidt},
  title     = {Psychiatric disorders in adult patients with early-treated phenylketonuria},
  year      = {1997},
}