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. 2020 Nov 19;8:573627. doi: 10.3389/fped.2020.573627

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Copyright © 2020 Singh, Fraisse, Erdeve and Atasay.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Doppler assessment of blood flow in left pulmonary artery (LPA) showing increased diastolic velocity indicative of significant ductal shunt in diastole leading to turbulence and increased velocity.