Cite
MLA Citation
D. Wertaschnigg et al.. “EP13.15: The gap between the aorta and the superior vena cava: a sign of persistent left superior vena cava.” Ultrasound in obstetrics & gynecology, vol. 54, n.d., p. 311. http://access.bl.uk/ark:/81055/vdc_100126246673.0x00002a