Snyder-Robinson syndrome: a novel nonsense mutation in spermine synthase and expansion of the phenotype.
Peron A, Spaccini L, Norris J, Bova SM, Selicorni A, Weber G, Wood T, Schwartz CE, Mastrangelo M. Am J Med Genet A. 2013 Sep; 161A(9):2316-20. Epub 2013 Jul 29.