Familial Nature and Continuing Morbidity of the Amyotrophic Lateral Sclerosis-Parkinsonism Dementia Complex of Guam
Neurol 49:400-409, McGeer,P.L.,et al, 1997
Neurological Clues from Environmental Neurotoxins
BMJ 295:346-347, Martyn,C.N., 1987
Epidemiology of Motor-Neuron Diseases
NEJM 288:1047, Bobwick,A.R.,et al, 1973