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Liu ZH, Zhou WJ, Hao PJ, Lu ZS, Meng L, Sun AJ.Liu ZH, et al. Among authors: hao pj.Shanghai Kou Qiang Yi Xue. 2012 Oct;21(5):511-4.Shanghai Kou Qiang Yi Xue. 2012.PMID: 23135179Chinese.
Zhou W, Liu Z, Xu S, Hao P, Xu F, Sun A, Lu Z.Zhou W, et al.Hua Xi Kou Qiang Yi Xue Za Zhi. 2012 Feb;30(1):25-8, 31.Hua Xi Kou Qiang Yi Xue Za Zhi. 2012.PMID: 22389960Chinese.
Zhou WJ, Liu ZH, Hao PJ, Xu S, Sun AJ, Li ZR.Zhou WJ, et al. Among authors: hao pj.Zhonghua Kou Qiang Yi Xue Za Zhi. 2012 May;47(5):310-3. doi: 10.3760/cma.j.issn.1002-0098.2012.05.014.Zhonghua Kou Qiang Yi Xue Za Zhi. 2012.PMID: 22883830Chinese.