(IMAGE) Universitat Pompeu Fabra - Barcelona Caption Illustrative images of fetal main pulmonary artery and intrapulmonary artery Doppler. Credit Vellvé, K., Garcia-Canadilla, P., Nogueira, M. et al. Usage Restrictions No restrictions. License CC0 Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.