Retinitis Pigmentosa
Surv Ophthalmol 33:137-177, Pagon,R.A., 1988
Deficiency of Arylsulfatase B in 2 Brothers Aged 40 & 38 Years (Maroteaux-Lamy Syndrome, Type B)
Ann Neurol 6:315-325, Pilz,H.,et al, 1979
Neuropathology of Sanfilippo Syndrome
Ann Neurol 2:161, Ghatak,N.R.,et al, 1977