Chan, Lam, Winnie Yeo, Sing F. Leung, James Griffith, Enders K.W. Ng, and Anthony T.C. Chan. 2005. “Delayed Radiation Myelopathy After Concurrent Chemoradiation for Hypopharyngeal-Esophageal Carcinoma”. Acta Oncologica 44 (2):177-79. https://doi.org/10.1080/02841860510007521.