Efficacy and safety of <i>P</i> ostoperative <i>I</i> ntravenous <i>P</i> arecoxib sodium <i>F</i> ollowed by <i>OR</i> al <i>CE</i> lecoxib (PIPFORCE) post-total knee arthroplasty in patients with osteoarthritis: a study protocol for a multicentre, double-blind, parallel-group trial

Abstract

NCT02198924.