Elective neck dissection--1970.
D006258:Head and Neck Neoplasms / Q000276:immunology / Q000601:surgery*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000276:immunology / Q000601:surgery*; D008207:Lymphatic Metastasis; D008214:Lymphocytes / Q000276:immunology; D037981:Neck Dissection; D009369:Neoplasms / Q000276:immunology