title: Relief of postoperative pain.
mesh_terms: D006801:Humans; D007273:Injections, Intramuscular; D008614:Meperidine / Q000008:administration & dosage* / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D008614:Meperidine