APA (7th ed.) Citation

Yang, C., Jing, W., Ge, S., & Sun, W. (2021). Vitamin D status and vitamin D deficiency risk factors among pregnancy of Shanghai in China. BMC Pregnancy & Childbirth, 21(1), 1. https://doi.org/10.1186/s12884-021-03889-0

Chicago Style (17th ed.) Citation

Yang, Chun, Wu Jing, Sheng Ge, and Wenguang Sun. "Vitamin D Status and Vitamin D Deficiency Risk Factors Among Pregnancy of Shanghai in China." BMC Pregnancy & Childbirth 21, no. 1 (2021): 1. https://doi.org/10.1186/s12884-021-03889-0.

MLA (9th ed.) Citation

Yang, Chun, et al. "Vitamin D Status and Vitamin D Deficiency Risk Factors Among Pregnancy of Shanghai in China." BMC Pregnancy & Childbirth, vol. 21, no. 1, 2021, p. 1, https://doi.org/10.1186/s12884-021-03889-0.