title: COX-2 inhibitor improves pain outcomes.
mesh_terms: D019645:Arthroplasty, Replacement, Knee / Q000009:adverse effects; D016861:Cyclooxygenase Inhibitors / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D007783:Lactones / Q000009:adverse effects / Q000627:therapeutic use*; D010149:Postoperative Pain / Q000188:drug therapy*; D013450:Sulfones; D016896:Treatment Outcome; D014481:United States
chemical_list: D016861:Cyclooxygenase Inhibitors; D007783:Lactones; D013450:Sulfones; C116926:rofecoxib