Normal and respiratory variations of the hepatic and portal venous duplex Doppler waveforms with simultaneous electrocardiographic correlation
- 1 June 1992
- journal article
- research article
- Published by Wiley in Journal of Ultrasound in Medicine
- Vol. 11 (6), 263-268
- https://doi.org/10.7863/jum.1992.11.6.263