The present status of the N.S.D. concept as related to the larynx.
D003037:Cobalt Radioisotopes; D004307:Dose-Response Relationship, Radiation; D004739:England; D005500:Follow-Up Studies; D006801:Humans; D007822:Laryngeal Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D014965:X-Rays
D003037:Cobalt Radioisotopes