title: Residual activity in fibroblasts from two brothers with the late-onset form of N-acetylgalactosamine-6-sulphate sulphatase deficiency.
mesh_terms: D000328:Adult; D002810:Chondroitinases and Chondroitin Lyases / Q000172:deficiency*; D002811:Chondroitinsulfatases / Q000172:deficiency*; D005347:Fibroblasts / Q000201:enzymology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D009085:Mucopolysaccharidosis IV / Q000201:enzymology* / Q000235:genetics
chemical_list: D002811:Chondroitinsulfatases; D002810:Chondroitinases and Chondroitin Lyases