β€œRe-Irradiation Results of Fractionated Stereotactic Radiotherapy (FSRT) With Cyberknife for Locally-Advanced Nasopharengeal Carcinoma (NPC) ”. Annals of Medical Research 27, no. 9 (May 25, 2021): 2370–2376. Accessed April 4, 2025. http://annalsmedres.org/index.php/aomr/article/view/941.