The puzzles of Perthes' disease: definitive studies of causal factors are needed.
Dezateux
C
C
Centre for Paediatric, Epidemiology and Biostatistics, Institute of Child Health, 30 Guildford Street, London WC1N 1EH, UK. c.dezateux@ich.ucl.ac.uk
Roposch
A
A
D006801:Humans; D007873:Legg-Calve-Perthes Disease / Q000209:etiology*; D012307:Risk Factors; D012959:Socioeconomic Factors