TY - JOUR AU - Erasmus, P.J. DO - doi:10.1302/0301-620X.84BSUPP_I.0840088a UR - https://doi.org/10.1302/0301-620X.84BSUPP_I.0840088a TI - PATELLOFEMORAL DEGENERATION PATTERNS T2 - Orthopaedic Proceedings VL - 84-B IS - SUPP_I PY - 2002 SP - 88 EP - 88 ER -