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APA Citation
Usman, S., Van Calster, B., Barton, H., & Lees, C. (n.d.). p06.10: Prediction of emergency Caesarean sections: does umbilicocerebral ratio have a role to play?. Ultrasound in obstetrics & gynecology, 52, 158. http://access.bl.uk/ark:/81055/vdc_100090056919.0x000034