@inbook{1180120065, author={Brian Dougherty and Alex Chan}, title={Association of co-exposure of antenatal steroid and prophylactic Indomethacin with spontaneous intestinal perforation}, booktitle={2 Minute Medicine}, publisher={McGraw Hill}, address={New York, NY}, year={2015}, url={accesspediatrics.mhmedical.com/updatesContent.aspx?gbosid=555834} }