title: [Beta-galactosidase deficiency].
mesh_terms: D000293:Adolescent; D005696:Galactosidases / Q000172:deficiency*; D005732:Gangliosides; D005733:Gangliosidoses; D006801:Humans; D007223:Infant
chemical_list: D005732:Gangliosides; D005696:Galactosidases