Hereditary Spastic Paraplegia:Advances in Genetic Research
Neurol 46:1507-1514, Fink,J.K.,et al, 1996
Autosomal Dominant, Familial Spastic Paraplegia, Type I:Clinical and Genetic Analysis of a Large North American Family
Neurol 45:325-331, Fink,J.K.,et al, 1995