Acquired Ocular Visual Impairment in Children, 1960-1989
Am J Dis Child 147:325-328, Robinson,G.C.&Jan,J.E., 1993
Retinitis Pigmentosa
Surv Ophthalmol 33:137-177, Pagon,R.A., 1988
Olivopontocerebellar Atrophy in Children:A Report of Seven Cases in Two Families
Ann Neurol 10:355-363, Colan,R.V.,et al, 1981