Cite
MLA Citation
J. Hasegawa et al.. “OP27.07: The accuracy of diagnosing placenta previa on transvaginal ultrasound at 20–24 weeks' gestation by distinguishing between the uterine isthmus and cervix.” Ultrasound in obstetrics & gynecology, vol. 48, n.d., p. 141. http://access.bl.uk/ark:/81055/vdc_100037125598.0x000043