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APA Citation
Zheng, S., Zheng, W., Zhu, T., Lan, H., Wang, Q., Sun, X., & Hu, M. (n.d.). continuing epidural analgesia during the second stage and ACOG definition of arrest of labor on maternal‐fetal outcomes. Acta anaesthesiologica scandinavica, 64(8), 1187–1193. http://access.bl.uk/ark:/81055/vdc_100105877403.0x000064