Cite
MLA Citation
S. Rottem et al.. “OP20.11: Contribution of morphologic and biometric markers to detection of 22 congenital heart defects (CHDs) by transvaginal sonography at 9–14 weeks of gestation.” Ultrasound in obstetrics & gynecology, vol. 48, n.d., p. 118. http://access.bl.uk/ark:/81055/vdc_100037125583.0x00002f