Adding concurrent chemotherapy to postoperative radiotherapy improves locoregional control but Not overall survival in patients with salivary gland adenoid cystic carcinoma-a propensity score matched study. - Cheng-En Hsieh; Chien-Yu Lin; Li-Yu Lee; Lan-Yan Yang; Chun-Chieh Wang; Hung-Ming Wang; Tung-Chieh Chang, Joseph; Kang-Hsing Fan; Chun-Ta Liao; Tzu-Chen Yen; Ku-Hao Fang; Yan-Ming Tsang; et al. (Radiation Oncology, 2016)