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APA Citation
Nadim, B., Leonardi, M., Infante, F., Lattouf, I., Reid, S., & Condous, G. (2020). rationalizing the management of pregnancies of unknown location: Diagnostic accuracy of human chorionic gonadotropin ratio‐based decision tree compared with the risk prediction model M4. Acta obstetricia et gynecologica Scandinavica, 99, 381–390. http://access.bl.uk/ark:/81055/vdc_100101654401.0x000060