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. 2022 Nov 14;12:1019555. doi: 10.3389/fonc.2022.1019555

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Copyright © 2022 Liao, Lee, Lee, Ng, Liu, Chien, Lin, Wang, Terng, Hua, Chen, Chen, Tsai, Kang, Tsai, Chu, Lin, Fan, Wang, Hsieh, Yeh, Lin, Tsao, Yen, Cheng, Fang, Huang, Lee, Fang, Wang, Lin, Hsin and Wen

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Kaplan-Meier plots comparing 5-year disease-specific survival and overall survival for patients with oral cavity squamous cell carcinoma in Hospital 1 and Hospital 2 before (A, B) and after (C, D) propensity score matching.