TY - JOUR AU - STEFANOVSKA, I. DO - doi:10.1302/0301-620X.91BSUPP_I.0910139b UR - https://doi.org/10.1302/0301-620X.91BSUPP_I.0910139b TI - PROGNOSTIC VALUE OF HERRING’S CLASSIFICATION OF PERTHES DISEASE T2 - Orthopaedic Proceedings VL - 91-B IS - SUPP_I PY - 2009 SP - 139 EP - 139 ER -