title: ["Pain free days"].
mesh_terms: D000208:Acute Disease; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D001241:Aspirin / Q000627:therapeutic use; D006801:Humans; D010146:Pain / Q000209:etiology / Q000451:nursing* / Q000517:prevention & control; D011788:Quality of Life; D012307:Risk Factors; D013315:Stress, Psychological; D016474:Weight-Bearing
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D001241:Aspirin