Ponzone A, Spada M, Ferraris S, Dianzani I, de Sanctis L (2004). "Dihydropteridine reductase deficiency in man: from biology to treatment". Med Res Rev. 24 (2): 127–50. doi:10.1002/med.10055. PMID14705166. S2CID35797603.
Shintaku H (2002). "Disorders of tetrahydrobiopterin metabolism and their treatment". Curr Drug Metab. 3 (2): 123–31. doi:10.2174/1389200024605145. PMID12003346.
Ponzone A, Spada M, Ferraris S, Dianzani I, de Sanctis L (2004). "Dihydropteridine reductase deficiency in man: from biology to treatment". Med Res Rev. 24 (2): 127–50. doi:10.1002/med.10055. PMID14705166. S2CID35797603.
Shintaku H (2002). "Disorders of tetrahydrobiopterin metabolism and their treatment". Curr Drug Metab. 3 (2): 123–31. doi:10.2174/1389200024605145. PMID12003346.
Ponzone A, Spada M, Ferraris S, Dianzani I, de Sanctis L (2004). "Dihydropteridine reductase deficiency in man: from biology to treatment". Med Res Rev. 24 (2): 127–50. doi:10.1002/med.10055. PMID14705166. S2CID35797603.