Genetic, Clinical, and Radiographic Delineation of Hallervorden-Spatz Syndrome
NEJM 348:33-40, Hayflick,S.J.,et al, 2003
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Ann Neurol 24:692-694, Sethi,K.D.,et al, 1988
Retinitis Pigmentosa
Surv Ophthalmol 33:137-177, Pagon,R.A., 1988