Three years experience with cryosurgery in head and neck tumors.
D003452:Cryosurgery; D006257:Head / Q000601:surgery*; D006258:Head and Neck Neoplasms / Q000601:surgery*; D006801:Humans; D008722:Methods; D009369:Neoplasms / Q000601:surgery*; D009584:Nitrogen; D013523:Surgical Equipment
D009584:Nitrogen