title: Prevention of postoperative infection.
mesh_terms: D000391:Air Microbiology; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001207:Asepsis; D002437:Cefazolin / Q000627:therapeutic use; D004780:Environment, Controlled; D006621:Hip Joint / Q000601:surgery; D006801:Humans; D009873:Operating Rooms; D013203:Staphylococcal Infections / Q000517:prevention & control; D013530:Surgical Wound Infection / Q000517:prevention & control*
chemical_list: D000900:Anti-Bacterial Agents; D002437:Cefazolin