@article{sebastião_burin_civallero_tirelli_sitta_coelho_vargas_wajner_giugliani_bitencourt_et al._2020,  title={Monitoring of Phenylalanine Levels in Patients with Phenylketonuria Using Dried Blood Spots: a Comparison of Two Methods},  volume={8},  ISSN={2326-4594},  url={https://doi.org/10.1590/2326-4594-JIEMS-2019-0011},  DOI={10.1590/2326-4594-JIEMS-2019-0011},  journal={Journal of Inborn Errors of Metabolism and Screening},  publisher={Latin American Society Inborn Errors and Neonatal Screening (SLEIMPN); Instituto Genética para Todos (IGPT)},  author={Sebastião, Fernanda Medeiros and Burin, Maira Graeff and Civallero, Gabriel and Tirelli, Kristiane Michelin and Sitta, Angela and Coelho, Daniella de Moura and Vargas, Carmen Regla and Wajner, Moacir and Giugliani, Roberto and Bitencourt, Fernanda Hendges de and Schwartz, Ida Vanessa Doederlein},  year={2020},  pages={e20190011} }