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Keywords: Pulmonary vein
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Journal Articles
Fetal Diagn Ther (1999) 14 (2): 86–91.
Published Online: 25 March 1999
... ranged from 17 to 37 weeks. Pulsed-Doppler echocardiography was used to investigate the right upper pulmonary vein in four-chamber view. After the pulmonary venous signal was obtained, by enlarging the sample size, the pulmonary arterial signal was superimposed for timing. Heart rate velocities...