Influence factors for upper respiratory tract infection in Chinese rural children: A cross-sectional study by Bichen Wu, Shujuan Luo, Chang Xu, Ting Yang, Yanping Chen

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Associations between velamentous or marginal cord insertion and risk of adverse perinatal outcomes in twin pregnancies: a retrospective cohort study by Li Wen, Qimei Zhong, Lingwei Mei, Li Gao, Xia Lan, Jing Xiong, Shujuan Luo, Lan Wang

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Development and validation of a prediction model on spontaneous preterm birth in twin pregnancy: a retrospective cohort study by Xiaofeng Yang, Qimei Zhong, Li Li, Ya Chen, Chunyan Tang, Ting Liu, Shujuan Luo, Jing Xiong, Lan Wang

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