“Safety and Effectiveness of Docetaxel Combinated With S-1 for Patients With Incurable Recurrent Squamous Cell Carcinoma of the Head and Neck”. European Journal of Oncology and Environmental Health 20, no. 3/4 (December 20, 2015): 174–179. Accessed July 1, 2024. https://mattioli1885journals.com/index.php/EJOEH/article/view/4294.