Cite
MLA Citation
Batool Nadim et al.. “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, vol. 99, 2020, pp. 381–390. http://access.bl.uk/ark:/81055/vdc_100101654401.0x000060