TY - JOUR A1 - John, H. A1 - Fischer, T. A1 - Och, U. A1 - Baumeister, A. A1 - Wahrburg, U. T1 - Additional costs of a low-protein diet in children and adolescents with phenylketonuria JF - Ernährungs Umschau Y1 - 2019 U6 - http://dx.doi.org/10.4455/eu.2019.036 SN - 0174-0008 VL - 66 IS - 11 SP - 221 EP - 227 ER -