TY - JOUR AU - Trepp, R. PY - 2020 DA - 2020// TI - Impact of phenylalanine on cognitive, cerebral, and neurometabolic parameters in adult patients with phenylketonuria (the PICO study): a randomized, placebo-controlled, crossover, noninferiority trial JO - Trials VL - 21 UR - https://doi.org/10.1186/s13063-019-4022-z DO - 10.1186/s13063-019-4022-z ID - Trepp2020 ER -