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Liu ZX, Wang PL, Du F.Liu ZX, et al.Zhonghua Kou Qiang Yi Xue Za Zhi. 2013 Aug;48(8):472-6.Zhonghua Kou Qiang Yi Xue Za Zhi. 2013.PMID: 24238412Chinese.
Yuan CY, Wang PL, Zhang CF, Liu ZX, Luo SL.Yuan CY, et al.Shanghai Kou Qiang Yi Xue. 2014 Oct;23(5):547-52.Shanghai Kou Qiang Yi Xue. 2014.PMID: 25543596Chinese.
Cheng Q, Wang P, Wang W, Liu Z, Liu G, Zhang X, Ren B, Zhang J.Cheng Q, et al. Among authors: liu z, liu g.Iran J Public Health. 2015 Dec;44(12):1710-1.Iran J Public Health. 2015.PMID: 26811826Free PMC article.No abstract available.
Zhu SY, Yuan CY, Liu ZX, Li XM, Wang PL.Zhu SY, et al.Shanghai Kou Qiang Yi Xue. 2017 Feb;26(1):12-16.Shanghai Kou Qiang Yi Xue. 2017.PMID: 28474059Chinese.
Liu Z, Wu C, Xie N, Wang P.Liu Z, et al.Oncol Lett. 2017 Oct;14(4):4053-4058. doi: 10.3892/ol.2017.6682. Epub 2017 Jul 27.Oncol Lett. 2017.PMID: 28959364Free PMC article.
Li XM, Yuan CY, Zhu SY, Liu ZX, Wang PL.Li XM, et al.Shanghai Kou Qiang Yi Xue. 2017 Aug;26(4):399-403.Shanghai Kou Qiang Yi Xue. 2017.PMID: 29199334Chinese.