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. 2022 Oct 12;10:952315. doi: 10.3389/fped.2022.952315

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© 2022 Liu, Fu and Qin.

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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LUS decreases the misdiagnosis rate of RDS. Based on LUS diagnostic criteria, the misdiagnosis rate of RDS decreased 30.1% and correspondingly the application of exogenous PS decreased by the same proportion. LUS, lung ultrasound; RDS, respiratory distress syndrome; PS, pulmonary surfactant.