@inbook{1145457665, author={William W. Hay, Jr and Myron J. Levin and Robin R. Deterding and Mark J. Abzug}, title={Patent Ductus Arteriosus (PDA), Persistent}, booktitle={Quick Medical Diagnosis & Treatment Pediatrics}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1145457665} }