Late onset Pompe disease: Clinical and neurophysiological spectrum of 38 patients including long-term follow-up in 18 patients - Müller-Felber, W; Horvath, R; Gempel, K; Podskarbi, T; Shin, Y; Pongratz, D; Walter, M C; Baethmann, M; Schlotter-Weigel, B; Lochmüller, H; Schoser, B (Neuromuscul Disord, 2007)