Recruitment rates in orthopaedic trauma trials: Zen or the art of riding dead horses. Issue 8 (August 2017) - Stengel, Dirk; Mauffrey, Cyril; Civil, Ian; Gray, A.C.; Roberts, C.; Pape, Hans-Christoph; Evans, C.; Kool, Bridget; Mauffrey, O.J.; Giannoudis, Peter