Use of povidone-iodine.
D006258:Head and Neck Neoplasms / Q000601:surgery; D006801:Humans; D011205:Povidone / Q000031:analogs & derivatives*; D011206:Povidone-Iodine / Q000008:administration & dosage*; D013530:Surgical Wound Infection / Q000517:prevention & control*
D011206:Povidone-Iodine; D011205:Povidone