APA (7th ed.) Citation

Zeng, H., Chang, Y., Liu, N., & Li, S. Ectopic pregnancy is associated with increased risk of displaced implantation window: A retrospective study. BMC.

Chicago Style (17th ed.) Citation

Zeng, Hong, Yahan Chang, Nenghui Liu, and Shuyi Li. Ectopic Pregnancy Is Associated with Increased Risk of Displaced Implantation Window: A Retrospective Study. BMC.

MLA (9th ed.) Citation

Zeng, Hong, et al. Ectopic Pregnancy Is Associated with Increased Risk of Displaced Implantation Window: A Retrospective Study. BMC.

Warning: These citations may not always be 100% accurate.