Pre-analytic decrease of phenylalanine in plasma of patients with phenylketonuria treated with pegvaliase oleh Coleman Turgeon, Kari Casas, Ryan Flanagan, Amy White, Dawn Peck, Gisele Bentz Pino, April Studinski Jones, Dimitar Gavrilov, Devin Oglesbee, Matthew J. Schultz, Silvia Tortorelli, Dietrich Matern, Patricia L. Hall