Refining genotype phenotype correlations in muscular dystrophies with defective glycosylation of dystroglycan - Godfrey, C; Clement, E; Mein, R; Brockington, M; Smith, J; Talim, B; Straub, V; Robb, S; Quinlivan, R; Feng, L; Jimenez-Mallebrera, C; Mercuri, E; et al. (2007)