APA (7th ed.) Citation

Xu, Q., Xing, L., Zhang, T., & Liu, G. Development and validation of a preeclampsia prediction model for the first and second trimester pregnancy based on medical history. BMC.

Chicago Style (17th ed.) Citation

Xu, Qi, Lili Xing, Ting Zhang, and Guoli Liu. Development and Validation of a Preeclampsia Prediction Model for the First and Second Trimester Pregnancy Based on Medical History. BMC.

MLA (9th ed.) Citation

Xu, Qi, et al. Development and Validation of a Preeclampsia Prediction Model for the First and Second Trimester Pregnancy Based on Medical History. BMC.

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