%0 Journal Article %A R Elson %T THE OBTURATOR EXTERNUS %D 2004 %J Orthopaedic Proceedings %P 75-75 %V 86-B %N SUPP_I %R 10.1302/0301-620X.86BSUPP_I.0860075d %U https://doi.org/10.1302/0301-620X.86BSUPP_I.0860075d %K