References
- Kleopa KA, Sherman M, Neal B et al. J Neurol Sci 1999; 164: 82–88.
- Aboussouan LS, Khan SU, Meeker DP et al. Ann Intern Med 1997; 127: 450.
- Bach JR. Arch Phys Med Rehabil 1995; 76: 828–832.
- Lomen-Hoerth C, Murphy J, Langmore S et al. Neurology 2003; 60: 1094–1097.
- Olney RK, Murphy J, Forshew D et al. ALS and other Motor Neuron Disorders 2003; 1: 14.
- Brooks BR, Miller RG, Swash M et al. ALS and other Motor Neuron Disorders 2000; 1: 293–299.