title: Morquio disease in a patient diagnosed as having Perthes disease for 38 years.
authors.affiliation: Institute of Medical Chemistry, University of Vienna, Austria.
authors.forename: S G
authors.initials: SG
authors.lastname: Fang-Kircher
authors.forename: A
authors.initials: A
authors.lastname: Böck
authors.forename: W
authors.initials: W
authors.lastname: Fertschak
authors.forename: W
authors.initials: W
authors.lastname: Schwägerl
authors.forename: E
authors.initials: E
authors.lastname: Paschke
mesh_terms: D002811:Chondroitinsulfatases / Q000378:metabolism; D003951:Diagnostic Errors; D006801:Humans; D007873:Legg-Calve-Perthes Disease / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009085:Mucopolysaccharidosis IV / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography; D001616:beta-Galactosidase / Q000652:urine
chemical_list: D002811:Chondroitinsulfatases; D001616:beta-Galactosidase