TY - JOUR AU - Perry, D.C. DO - doi:10.1302/1358-992X.95BSUPP_6.BSCOS2012-001 UR - https://doi.org/10.1302/1358-992X.95BSUPP_6.BSCOS2012-001 TI - THE EPIDEMIOLOGY OF PERTHES' DISEASE T2 - Orthopaedic Proceedings VL - 95-B IS - SUPP_6 PY - 2013 SP - 1 EP - 1 ER -