Cite
MLA Citation
M. Wiechec et al.. “OP18.10: First trimester "Y sign" at the level of three‐vessel and trachea view: a new sensitive early marker of tetralogy of Fallot and Fallot‐like double outlet right ventricle.” Ultrasound in obstetrics & gynecology, vol. 46, n.d., pp. 108–109. http://access.bl.uk/ark:/81055/vdc_100074822494.0x000001