TY - JOUR AU - Elson, R DO - doi:10.1302/0301-620X.86BSUPP_I.0860075d UR - https://doi.org/10.1302/0301-620X.86BSUPP_I.0860075d TI - THE OBTURATOR EXTERNUS T2 - Orthopaedic Proceedings VL - 86-B IS - SUPP_I PY - 2004 SP - 75 EP - 75 ER -