APA (7th ed.) Citation

Lei, Y., Zhang, N., Liu, Y., & Du, X. A prediction nomogram for residual after negative pressure aspiration for endogenic cesarean scar ectopic pregnancy: A retrospective study. BMC.

Chicago Style (17th ed.) Citation

Lei, Yan, Na Zhang, Yu Liu, and Xin Du. A Prediction Nomogram for Residual After Negative Pressure Aspiration for Endogenic Cesarean Scar Ectopic Pregnancy: A Retrospective Study. BMC.

MLA (9th ed.) Citation

Lei, Yan, et al. A Prediction Nomogram for Residual After Negative Pressure Aspiration for Endogenic Cesarean Scar Ectopic Pregnancy: A Retrospective Study. BMC.

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