Wallgren-Pettersson Carina, Laing Nigel G
The Folkhälsan Institute of Genetics and the Department of Medical Genetics, University of Helsinki, FIN-00251 Helsinki, Finland.
Neuromuscul Disord. 2006 Jan;16(1):54-60. doi: 10.1016/j.nmd.2005.10.006. Epub 2005 Dec 20.