title: Reliability and reproducibility of classification systems for Legg-Calvé-Perthes disease: a systematic review of the literature.
authors.affiliation: University Hospitals Coventry and Warwickshire and New Cross Hospital, Wolverhampton, United Kingdom. mahadeva501@yahoo.co.uk
authors.forename: Dhirendra
authors.initials: D
authors.lastname: Mahadeva
authors.forename: Mark
authors.initials: M
authors.lastname: Chong
authors.forename: David J
authors.initials: DJ
authors.lastname: Langton
authors.forename: Anthony M
authors.initials: AM
authors.lastname: Turner
mesh_terms: D005270:Femur Head / Q000000981:diagnostic imaging; D006801:Humans; D007873:Legg-Calve-Perthes Disease / Q000145:classification* / Q000000981:diagnostic imaging; D015588:Observer Variation; D011859:Radiography; D015203:Reproducibility of Results