title: Beta galactosidase and the Morquio syndrome.
mesh_terms: D014644:Genetic Variation; D006801:Humans; D007633:Keratins / Q000652:urine; D007787:Lactose Intolerance; D009085:Mucopolysaccharidosis IV / Q000201:enzymology / Q000235:genetics*
chemical_list: D007633:Keratins