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Liu X, Duan T, Chang Q, He J, Chen M, Zhang L.Liu X, et al. Among authors: chang q.Obstet Gynecol. 2014 Jan;123(1):182-183. doi: 10.1097/AOG.0000000000000069.Obstet Gynecol. 2014.PMID: 24463681No abstract available.
Chen M, Chang Q, Duan T, He J, Zhang L, Liu X.Chen M, et al. Among authors: chang q.Obstet Gynecol. 2013 Aug;122(2 Pt 1):290-295. doi: 10.1097/AOG.0b013e3182999085.Obstet Gynecol. 2013.PMID: 23969797Clinical Trial.
Deng L, Chang Q, Wang Y, Wang L, Li Y, Hu Q.Deng L, et al. Among authors: chang q.J Obstet Gynaecol Res. 2014 Feb;40(2):399-404. doi: 10.1111/jog.12204. Epub 2013 Oct 22.J Obstet Gynaecol Res. 2014.PMID: 24147797
Zhao S, Song M, Fan Y, Chang Q, Yi W, Li P, Hu C.Zhao S, et al. Among authors: chang q.J Obstet Gynaecol Res. 2012 Jan;38(1):272-9. doi: 10.1111/j.1447-0756.2011.01638.x. Epub 2011 Sep 15.J Obstet Gynaecol Res. 2012.PMID: 21917073
Liang ZQ, Xu HC, Chen Y, Xiong GW, Chang Q, Zhang QY, He W.Liang ZQ, et al. Among authors: chang q.Zhonghua Fu Chan Ke Za Zhi. 2004 Oct;39(10):666-8.Zhonghua Fu Chan Ke Za Zhi. 2004.PMID: 16144562Chinese.
Hu H, Hao J, Yao H, Chang Q, Li R, Zhang X, Liang Z.Hu H, et al. Among authors: chang q.Gene. 2013 Mar 15;517(1):132-6. doi: 10.1016/j.gene.2012.12.001. Epub 2012 Dec 8.Gene. 2013.PMID: 23232358
Hu H, Li C, Xiong Q, Gao H, Li Y, Chang Q, Liang Z.Hu H, et al. Among authors: chang q.Prenat Diagn. 2008 Mar;28(3):222-9. doi: 10.1002/pd.1932.Prenat Diagn. 2008.PMID: 18264955
Liao W, Wen EY, Li C, Chang Q, Lv KL, Yang W, He ZM, Zhao CM.Liao W, et al. Among authors: chang q.BMC Pediatr. 2012 Jun 14;12:72. doi: 10.1186/1471-2431-12-72.BMC Pediatr. 2012.PMID: 22697283Free PMC article.Clinical Trial.
Zhang Q, Qin R, Chang Q, Liang Z, Shi C.Zhang Q, et al. Among authors: chang q.Zhonghua Nan Ke Xue. 2004 Jan;10(1):29-31.Zhonghua Nan Ke Xue. 2004.PMID: 14979204Chinese.