Prophylaxis of wound infection.
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001645:Biguanides / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D010919:Placebos; D013530:Surgical Wound Infection / Q000188:drug therapy / Q000517:prevention & control*; D014508:Urea / Q000627:therapeutic use*
D000900:Anti-Bacterial Agents; D001645:Biguanides; D010919:Placebos; D014508:Urea