Value of preoperative x-ray therapy as an adjunct to radical neck dissection.
D006258:Head and Neck Neoplasms / Q000532:radiotherapy*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000532:radiotherapy*; D009062:Mouth Neoplasms / Q000532:radiotherapy*; D037981:Neck Dissection; D009364:Neoplasm Recurrence, Local; D010610:Pharyngeal Neoplasms / Q000532:radiotherapy*; D011300:Preoperative Care