@inbook{1193387743, author={David Xiang and Kiera Liblik}, title={Elevated maternal red blood cell folate is associated with reduced risk of congenital heart disease}, booktitle={2 Minute Medicine}, publisher={McGraw Hill}, address={New York, NY}, year={2015}, url={accesspediatrics.mhmedical.com/updatesContent.aspx?gbosid=597170} }