Dutch patients with glycogen storage disease type II show common ancestry for the 525delT and del exon 18 mutations. Issue 8 (1st August 2001) - Ausems, Margreet G E M; ten Berg, Klara; Sandkuijl, Lodewijk A; Kroos, Marian A; Bardoel, Alfons F J; Roumelioti, Katerina N; Reuser, Arnold J J; Sinke, Richard; Wijmenga, Cisca