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Irradiation enhanced risks of hospitalised pneumonopathy in lung cancer patients: a population-based surgical cohort study
Shih-Kai Hung, Yi-Chun Chen, Wen-Yen Chiou, Chun-Liang Lai, Moon-Sing Lee, Yuan-Chen Lo, Liang-Cheng Chen, Li-Wen Huang, Nai-Chuan Chien, Szu-Chi Li, Dai-Wei Liu, Feng-Chun Hsu, Shiang-Jiun Tsai, Michael WY Chan, Hon-Yi Lin

BMJ Open Sep 2017, 7 (9) e015022; DOI: 10.1136/bmjopen-2016-015022

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propensity score match.