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APA Citation
Sherer, D. M., Dalloul, M., Ward, K., Nakagawa, J., Joseph, I., Grube, S., & Abulafia, O. (2017). coexisting true umbilical cord knot and nuchal cord: possible cumulative increased risk of adverse perinatal outcome. Ultrasound in obstetrics & gynecology, 50, 404–405. http://access.bl.uk/ark:/81055/vdc_100049402746.0x000033