APA (7th ed.) Citation

Zhang, H., Zhao, Y., & Wang, Y. (2018). Analysis of the Characteristics of Pregnancy and Delivery before and after Implementation of the Two-child Policy. Chinese medical journal, 131(1), 37-42. https://doi.org/10.4103/0366-6999.221268

Chicago Style (17th ed.) Citation

Zhang, Hong-Xia, Yang-Yu Zhao, and Yong-Qing Wang. "Analysis of the Characteristics of Pregnancy and Delivery Before and After Implementation of the Two-child Policy." Chinese Medical Journal 131, no. 1 (2018): 37-42. https://doi.org/10.4103/0366-6999.221268.

MLA (9th ed.) Citation

Zhang, Hong-Xia, et al. "Analysis of the Characteristics of Pregnancy and Delivery Before and After Implementation of the Two-child Policy." Chinese Medical Journal, vol. 131, no. 1, 2018, pp. 37-42, https://doi.org/10.4103/0366-6999.221268.