@inbook{1192779911,
author={A. Victor Hoffbrand},
editor={Loscalzo, Joseph and Fauci, Anthony and Kasper, Dennis and Hauser, Stephen and Longo, Dan and Jameson, J. Larry},
title={Anemias megaloblásticas},
booktitle={Harrison. Principios de Medicina Interna, 21e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2022},
url={accessmedicina.mhmedical.com/content.aspx?aid=1192779911}
}