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Fang K, Mu M, Liu K, He Y.Fang K, et al. Among authors: liu k.Child Care Health Dev. 2019 Sep;45(5):744-753. doi: 10.1111/cch.12701. Epub 2019 Jul 24.Child Care Health Dev. 2019.PMID: 31270831
Xue S, Mu M, Li W, Fang K, Shang J, Liu K.Xue S, et al. Among authors: liu k.Wei Sheng Yan Jiu. 2017 Nov;46(6):918-929.Wei Sheng Yan Jiu. 2017.PMID: 29903200Chinese.
Fang K, He Y, Mu M, Liu K.Fang K, et al. Among authors: liu k.J Matern Fetal Neonatal Med. 2021 Apr;34(7):1167-1173. doi: 10.1080/14767058.2019.1623780. Epub 2019 Jul 8.J Matern Fetal Neonatal Med. 2021.PMID: 31122092
Liu K, Mu M, Fang K, Qian Y, Xue S, Hu W, Ye M.Liu K, et al.BMJ Open. 2020 Jan 7;10(1):e029653. doi: 10.1136/bmjopen-2019-029653.BMJ Open. 2020.PMID: 31915156Free PMC article.
Mu M, Wu J, Wang JH, Tao XR, Hu D, Liu K, Fang KH, Xue S, Shang J.Mu M, et al. Among authors: liu k.Iran J Public Health. 2019 Nov;48(11):2088-2090.Iran J Public Health. 2019.PMID: 31970112Free PMC article.No abstract available.
Xu X, Liu K, Yu B, Zhang L, Wang X, Dong Y, Kang N, Ye M, Pan Z.Xu X, et al. Among authors: liu k.Wei Sheng Yan Jiu. 2022 Nov;51(6):890-897. doi: 10.19813/j.cnki.weishengyanjiu.2022.06.007.Wei Sheng Yan Jiu. 2022.PMID: 36539864Chinese.
Qian Y, Zhang L, Zhu Y, Zhang W, Niu Y, Liu K, Ye M.Qian Y, et al. Among authors: liu k.Wei Sheng Yan Jiu. 2019 Mar;48(2):187-192.Wei Sheng Yan Jiu. 2019.PMID: 31133093Chinese.
Liu K, Qian Y, Zhang L, Wang X, Dong Y, Kang N, Ye M.Liu K, et al.Wei Sheng Yan Jiu. 2021 Mar;50(2):223-229. doi: 10.19813/j.cnki.weishengyanjiu.2021.02.010.Wei Sheng Yan Jiu. 2021.PMID: 33985625Chinese.
Wang X, Kang N, Dong Y, Liu K, Ning K, Bian H, Han F, Chen Y, Ye M.Wang X, et al. Among authors: liu k.Front Public Health. 2023 Jan 9;10:1055618. doi: 10.3389/fpubh.2022.1055618. eCollection 2022.Front Public Health. 2023.PMID: 36699889Free PMC article.
Jiang Q, Liu K, Yu B, Wu P, Wang H, Xiao W, Zhang L, Ye M, Yi J.Jiang Q, et al. Among authors: liu k.Wei Sheng Yan Jiu. 2022 Nov;51(6):898-903. doi: 10.19813/j.cnki.weishengyanjiu.2022.06.008.Wei Sheng Yan Jiu. 2022.PMID: 36539865Chinese.