@inbook{1105545391, author={William F. Malcolm}, title={Pulmonary Hypertension of the Preterm Infant}, booktitle={Beyond the NICU: Comprehensive Care of the High-Risk Infant}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1105545391} }