@inbook{1182928867,
author={Oleg A. Shchelochkov and Charles P. Venditti},
editor={Kline, Mark W.},
title={Vitamin B12 and Folic Acid},
booktitle={Rudolph's Pediatrics, 23e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accesspediatrics.mhmedical.com/content.aspx?aid=1182928867}
}