@inbook{1140316581, author={Nenad Blau and Beat Thöny}, editor={Sarafoglou, Kyriakie and Hoffmann, Georg F. and Roth, Karl S.}, title={Hyperphenylalaninemias: Disorders of Tetrahydrobiopterin Metabolism}, booktitle={Pediatric Endocrinology and Inborn Errors of Metabolism, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1140316581} }