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Sun W, Liu S, He F, Du L, Guo Y, El-Chaar D, Wen SW, Chen D.Sun W, et al. Among authors: guo y.Int J Gynaecol Obstet. 2018 Jun;141(3):378-383. doi: 10.1002/ijgo.12445. Epub 2018 Feb 11.Int J Gynaecol Obstet. 2018.PMID: 29350753
Xie RH, Liao S, Xie H, Guo Y, Walker M, Wen SW.Xie RH, et al. Among authors: guo y.J Epidemiol Community Health. 2011 Aug;65(8):722-6. doi: 10.1136/jech.2009.096651. Epub 2010 Aug 24.J Epidemiol Community Health. 2011.PMID: 20736488
Guo Y, Longo CJ, Xie R, Wen SW, Walker MC, Smith GN.Guo Y, et al.Value Health. 2011 Mar-Apr;14(2):240-6. doi: 10.1016/j.jval.2010.10.019. Epub 2011 Feb 5.Value Health. 2011.PMID: 21296600Free article.Clinical Trial.
Wen SW, Guo Y, Rodger M, White RR, Yang Q, Smith GN, Perkins SL, Walker MC.Wen SW, et al. Among authors: guo y.PLoS One. 2016 Feb 22;11(2):e0149818. doi: 10.1371/journal.pone.0149818. eCollection 2016.PLoS One. 2016.PMID: 26901463Free PMC article.