title: Pre-emptive analgesia: importance of timing.
authors.forename: J
authors.initials: J
authors.lastname: Katz
mesh_terms: D000698:Analgesia; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D006801:Humans; D010149:Postoperative Pain / Q000517:prevention & control*; D013997:Time Factors
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal