http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=79255 2011 France scientific and technical information gangliosidoses gangliosidosis, GM1
--- http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=79257 2011 France scientific and technical information gangliosidosis, GM1 gangliosidoses
--- http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=79256 2011 France scientific and technical information gangliosidoses gangliosidosis, GM1