title: [Two adult patients with GM1 ganglioside beta-galactosidase deficiency, showing myoclonus without radiological bony abnormalities].
mesh_terms: D000328:Adult; D005260:Female; D005677:G(M1) Ganglioside; D005696:Galactosidases / Q000172:deficiency*; D005698:Galactosylceramidase; D005733:Gangliosidoses / Q000150:complications*; D014644:Genetic Variation; D006801:Humans; D008297:Male; D008875:Middle Aged; D009207:Myoclonus / Q000209:etiology*; D010641:Phenotype; D001616:beta-Galactosidase / Q000172:deficiency*
chemical_list: D005677:G(M1) Ganglioside; D005696:Galactosidases; C021500:lactosylceramidase; D001616:beta-Galactosidase; D005698:Galactosylceramidase