1. Forty four patients were included in clinically diagnosed patients27 28 and therefore that population based study between 1925-84 may be a useful method for following trends in giving a crude incidence of 2-0/100 000/year this disease
2. Phenotypic heterogeneity of spinal muscular atrophy mapping to chromosome 5ql 1.2-13.3;Munsat, T.L.; Skerry, L.; Korf, B.;Neurology,1990
3. Familial adult motor neuron disease: amyotrophic lateral sclerosis;Mulder, D.W.; Kurland, L.T.; Offord, K.P.; Beard, C.M.;Neurology,1986
4. Linkage of a gene causing familial amyotrophic lateral sclerosis to chromosome 21 and evidence of genetic-locus heterogeneity;SiddiqueT, Figlewicz D.A.; MA, Pericak-Vance;N EnglJ Med,1991
5. Amyotrophic lateral sclerosis: Part 2. Etiopathogenesis;Tandan, R.; Bradley, W.G.;Ann Neurol,1985