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Guan F, Sun Y, Zhu L, Guan G, Chen M, Chi Z, Tian D, Gu J, Yu Z.Guan F, et al. Among authors: chi z.World Neurosurg. 2018 Feb;110:e546-e551. doi: 10.1016/j.wneu.2017.11.053. Epub 2017 Nov 20.World Neurosurg. 2018.PMID: 29158098
Guan F, Yin H, Zhu L, Zhang Z, Gao Q, Shao T, Tang W, Guan G, Chen M, Chi Z, Gu J, Yu Z.Guan F, et al. Among authors: chi z.J Int Med Res. 2020 Mar;48(3):300060519890791. doi: 10.1177/0300060519890791. Epub 2019 Dec 18.J Int Med Res. 2020.PMID: 31852286Free PMC article.
Yan J, Xi C, Zhang Z, Xu G, Xia J, Wang X, Zhou L, Zu J, Ji Y, Chi Z, Guan G.Yan J, et al. Among authors: chi z.Zhonghua Wai Ke Za Zhi. 2014 Oct;52(10):750-3.Zhonghua Wai Ke Za Zhi. 2014.PMID: 25573214Chinese.
Xi C, Li Y, Chi Z, Pei L, Ji Y, Wang X, Yan J.Xi C, et al. Among authors: chi z.Spine (Phila Pa 1976). 2011 Jan 1;36(1):E20-6. doi: 10.1097/BRS.0b013e3181d323c6.Spine (Phila Pa 1976). 2011.PMID: 20975622
Li Y, Xi C, Niu M, Liu X, Chi Z, Wang X, Yan J.Li Y, et al. Among authors: chi z.Neurosci Lett. 2011 Apr 8;493(1-2):49-54. doi: 10.1016/j.neulet.2011.02.018. Epub 2011 Feb 12.Neurosci Lett. 2011.PMID: 21320569