@inbook{1128353312, author={A. Victor Hoffbrand}, editor={Longo, Dan L.}, title={MEGALOBLASTIC ANEMIAS}, booktitle={Harrison's Hematology and Oncology, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2013}, url={hemonc.mhmedical.com/content.aspx?aid=1128353312} }