title: Letter: Beta-galactosidase deficiency in young adults.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D005696:Galactosidases / Q000172:deficiency* / Q000378:metabolism; D006801:Humans; D008297:Male; D008661:Metabolism, Inborn Errors / Q000235:genetics
chemical_list: D005696:Galactosidases