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APA Citation
Wang, Y., Tan, G., Cheng, X., Xu, Y., Xu, F., & Qu, P. (2020). association of hemorrhage at termination in caesarean scar pregnancy using the crossover sign of ultrasound image. Journal of obstetrics and gynaecology research, 46(8), 1378–1383. http://access.bl.uk/ark:/81055/vdc_100105881348.0x000031