DPP6 gene variability confers increased risk of developing sporadic amyotrophic lateral sclerosis in Italian patients. Issue 9 (15th August 2008) - Bo, R Del; Ghezzi, S; Corti, S; Santoro, D; Prelle, A; Mancuso, M; Siciliano, G; Briani, C; Murri, L; Bresolin, N; Comi, G P