TY - JOUR AU - Bollen, S R DO - doi:10.1302/0301-620X.90BSUPP_II.0900331b UR - https://doi.org/10.1302/0301-620X.90BSUPP_II.0900331b TI - CHANGING DEMOGRAPHICS IN ANTERIOR CRUCIATE INJURY T2 - Orthopaedic Proceedings VL - 90-B IS - SUPP_II PY - 2008 SP - 331 EP - 331 ER -