Leber's Congenital Amaurosis
Arch Neurol 41:204-206, Weinstein,J.M.,et al, 1984
Pendular Nystagmus, In Ocular Differential Diagnosis
Lea & Febiger, Phila, 1975, p. 119., Roy,F.H., 1975
Tapetoretinal Degeneration in Childhood Presenting as a Disturbance of Behavior
BMJ 202, 1972 Jan., Harcourt,B.,et al, 1972