Gebuhr, P.; Sletgård, J.; Dalsgård, J.; Soelberg, M.; Keisu, K.; Hänninen, A.; Crawford, M. Heterotopic Ossification After Hip arthroplasty:A Randomized Double-Blind Multicenter Study of Tenoxicam in 147 Hips. ActaO 1996, 67, 29-32.