Pantothenate Kinase - Associated Neurodegeneration (PKAN)Emedicine.Medscape Sept, Hanna, P.A. & Benbadis, S.R., 2018
Genetic, Clinical, and Radiographic Delineation of Hallervorden-Spatz SyndromeNEJM 348:33-40, Hayflick,S.J.,et al, 2003