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Ma YY, Qiu LQ, Xu J, Zhang JX, Pang RY.Ma YY, et al.Zhonghua Yi Xue Za Zhi. 2013 Aug 6;93(29):2312-4.Zhonghua Yi Xue Za Zhi. 2013.PMID: 24300153Chinese.
Ma YY, Ye F, Chen XD, Qiu LQ, Lü WG, Xie X.Ma YY, et al.Zhonghua Yi Xue Za Zhi. 2010 Nov 23;90(43):3040-4.Zhonghua Yi Xue Za Zhi. 2010.PMID: 21211322Chinese.
Qiu L, Lin J, Ma Y, Wu W, Qiu L, Zhou A, Shi W, Lee A, Binns C.Qiu L, et al.Midwifery. 2010 Oct;26(5):544-8. doi: 10.1016/j.midw.2010.06.003. Epub 2010 Aug 12.Midwifery. 2010.PMID: 20708312
Ma Y, Zhang L, Wang X, Qiu L, Hesketh T, Wang X.Ma Y, et al.Clin Epidemiol. 2020 Apr 29;12:405-414. doi: 10.2147/CLEP.S243414. eCollection 2020.Clin Epidemiol. 2020.PMID: 32425608Free PMC article.
Sun S, Li J, Ma Y, Bu H, Luo Q, Yu X.Sun S, et al.Int J Nurs Pract. 2018 Feb;24(1). doi: 10.1111/ijn.12614. Epub 2017 Nov 24.Int J Nurs Pract. 2018.PMID: 29171105Clinical Trial.
Wang Y, Fan Y, Wang X, Ma Y, Wu C, Shi H, Han H, Liu W, Liu C.Wang Y, et al.J Patient Saf. 2020 Dec;16(4):e284-e291. doi: 10.1097/PTS.0000000000000570.J Patient Saf. 2020.PMID: 30633065Free PMC article.
Ma YY, Shen Y, Zhang LS.Ma YY, et al.Zhejiang Da Xue Xue Bao Yi Xue Ban. 2008 May;37(3):304-7. doi: 10.3785/j.issn.1008-9292.2008.03.016.Zhejiang Da Xue Xue Bao Yi Xue Ban. 2008.PMID: 18546536Clinical Trial.Chinese.