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Sun J, Xi HY, Shao Q, Liu QH.Sun J, et al. Among authors: liu qh.Int J Ophthalmol. 2020 Feb 18;13(2):325-341. doi: 10.18240/ijo.2020.02.18. eCollection 2020.Int J Ophthalmol. 2020.PMID: 32090044Free PMC article.Review.
Liu XY, Li L, Yao JQ, Chen X, Liu QH.Liu XY, et al. Among authors: liu qh.Int J Ophthalmol. 2011;4(4):406-9. doi: 10.3980/j.issn.2222-3959.2011.04.17. Epub 2011 Aug 18.Int J Ophthalmol. 2011.PMID: 22553691Free PMC article.
Feng F, Cheng Y, Liu QH.Feng F, et al. Among authors: liu qh.Int J Ophthalmol. 2014 Aug 18;7(4):608-13. doi: 10.3980/J.ISSN.2222-3959.2014.04.04. eCollection 2014.Int J Ophthalmol. 2014.PMID: 25161929Free PMC article.
Yang Q, Xu Y, Xie P, Cheng H, Song Q, Su T, Yuan S, Liu Q.Yang Q, et al.J Ophthalmol. 2015;2015:757412. doi: 10.1155/2015/757412. Epub 2015 Mar 2.J Ophthalmol. 2015.PMID: 25821591Free PMC article.
Li J, Paulus YM, Shuai Y, Fang W, Liu Q, Yuan S.Li J, et al.J Ophthalmol. 2017;2017:4936924. doi: 10.1155/2017/4936924. Epub 2017 Mar 12.J Ophthalmol. 2017.PMID: 28386476Free PMC article.Review.
Li L, Chen LP, Liu QH.Li L, et al. Among authors: liu qh.Int J Ophthalmol. 2018 Feb 18;11(2):208-215. doi: 10.18240/ijo.2018.02.05. eCollection 2018.Int J Ophthalmol. 2018.PMID: 29487808Free PMC article.