APA (7th ed.) Citation

Mei-Ling Tian, Guo-Juan Ma, Li-Yan Du, Ying Jin, Cui Zhang, Yuan-Ge Xiao, & Zeng-jun Tang. (2023). The Effect of 2016 Chinese second-child policy and different maternal age on pregnancy outcomes in Hebei Province, China. BMC.

Chicago Style (17th ed.) Citation

Mei-Ling Tian, Guo-Juan Ma, Li-Yan Du, Ying Jin, Cui Zhang, Yuan-Ge Xiao, and Zeng-jun Tang. The Effect of 2016 Chinese Second-child Policy and Different Maternal Age on Pregnancy Outcomes in Hebei Province, China. BMC, 2023.

MLA (9th ed.) Citation

Mei-Ling Tian, et al. The Effect of 2016 Chinese Second-child Policy and Different Maternal Age on Pregnancy Outcomes in Hebei Province, China. BMC, 2023.