Epidemiology of Motor-Neuron Diseases
NEJM 288:1047, Bobwick,A.R.,et al, 1973
Methylmercury Poisoning:Long-Term Clinical, Radiological, Toxicological, and Pathological Studies of an Affected Family
Ann Neurol 35:680-688, Davis,L.E.,et al, 1994
Ataxia In Childhood
Dev Med Child Neurol 10:388-389, Wilson,J., 1968