Gu Chunyi, Wang Xiaojiao, Zhang Zhijie, Schwank Simone, Zhu Chunxiang, Zhang Zheng, Qian Xu
Department of Maternal, Child and Adolescent Health, School of Public Health, Fudan University, Shanghai, China.
Department of Nursing, Obstetrics and Gynaecology Hospital of Fudan University, Shanghai, China.
BMC Pregnancy Childbirth. 2020 Jul 27;20(1):423. doi: 10.1186/s12884-020-03104-6.
An amendment to this paper has been published and can be accessed via the original article.
本文的一篇修正已发表,可通过原始文章获取。