@inbook{1198138035,
author={Alicia Lydecker and Kathryn Mutter},
editor={, },
title={Vitamin B12 Deficiency},
booktitle={The Infographic Guide to Medicine},
publisher={McGraw Hill},
address={New York, NY},
year={2021},
url={accessmedicine.mhmedical.com/updatesContent.aspx?gbosid=569378}
}