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Mao Y, Xie T, Zhang N.Mao Y, et al. Among authors: zhang n.Int J Environ Res Public Health. 2020 Dec 29;18(1):204. doi: 10.3390/ijerph18010204.Int J Environ Res Public Health. 2020.PMID: 33383968Free PMC article.
Mao Y, Zhang N, Liu J, Zhu B, He R, Wang X.Mao Y, et al. Among authors: zhang n.BMC Med Educ. 2019 Sep 2;19(1):327. doi: 10.1186/s12909-019-1744-2.BMC Med Educ. 2019.PMID: 31477124Free PMC article.
Liu J, Zhu B, Zhang N, He R, Mao Y.Liu J, et al. Among authors: zhang n.Int J Environ Res Public Health. 2019 Sep 12;16(18):3381. doi: 10.3390/ijerph16183381.Int J Environ Res Public Health. 2019.PMID: 31547407Free PMC article.
Mao Y, He R, Zhu B, Liu J, Zhang N.Mao Y, et al. Among authors: zhang n.Int J Environ Res Public Health. 2020 Mar 29;17(7):2301. doi: 10.3390/ijerph17072301.Int J Environ Res Public Health. 2020.PMID: 32235375Free PMC article.
He R, Liu J, Zhang WH, Zhu B, Zhang N, Mao Y.He R, et al. Among authors: zhang n, zhang wh.BMJ Open. 2020 Oct 16;10(10):e037117. doi: 10.1136/bmjopen-2020-037117.BMJ Open. 2020.PMID: 33067275Free PMC article.
Ding L, Zhang N, Zhu B, Liu J, Wang X, Liu F, Mao Y.Ding L, et al. Among authors: zhang n.BMC Public Health. 2021 Feb 17;21(1):374. doi: 10.1186/s12889-021-10385-9.BMC Public Health. 2021.PMID: 33596869Free PMC article.
Zhang N, Mao Y.Zhang N, et al.Int J Environ Res Public Health. 2021 Feb 12;18(4):1784. doi: 10.3390/ijerph18041784.Int J Environ Res Public Health. 2021.PMID: 33673128Free PMC article.
He R, Zhu B, Liu J, Zhang N, Zhang WH, Mao Y.He R, et al. Among authors: zhang n, zhang wh.BMC Womens Health. 2021 Mar 20;21(1):116. doi: 10.1186/s12905-021-01260-1.BMC Womens Health. 2021.PMID: 33743648Free PMC article.
Mao Y, Ning W, Zhang N, Xie T, Liu J, Lu Y, Zhu B.Mao Y, et al. Among authors: zhang n.Int J Environ Res Public Health. 2021 Mar 26;18(7):3460. doi: 10.3390/ijerph18073460.Int J Environ Res Public Health. 2021.PMID: 33810490Free PMC article.