© Niklas Bildhauer , CC BY-SA 2.0 Article / August 01, 2002 SPG20 is mutated in Troyer syndrome, an hereditary spastic paraplegia View in MDC Repository View in PubMed Authors H. Patel H. Cross C. Proukakis R. Hershberger P. Bork F.D. Ciccarelli M.A. Patton V.A. McKusick A.H. Crosby Journal Nature Genetics Citation Nat Genet 31: 347-348 DOI doi:10.1038/ng937 View in MDC Repository View in PubMed