title: Genetic heterogeneity in GM1-gangliosidosis.
mesh_terms: D005696:Galactosidases / Q000172:deficiency; D005732:Gangliosides / Q000378:metabolism; D005733:Gangliosidoses / Q000201:enzymology / Q000235:genetics*; D005796:Genes; D005816:Genetic Complementation Test; D006801:Humans; D006822:Hybrid Cells; D009154:Mutation
chemical_list: D005732:Gangliosides; D005696:Galactosidases