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Hsieh HC, Lee CI, Lai EY, Su JY, Huang YT, Zheng WL, Chen CH, Huang CC, Lin PY, Lee MS, Liu M, Huang YT.Hsieh HC, et al. Among authors: huang cc, huang yt.BMC Pregnancy Childbirth. 2021 Aug 13;21(1):554. doi: 10.1186/s12884-021-04013-y.BMC Pregnancy Childbirth. 2021.PMID: 34388966Free PMC article.