@inbook{1138036725, author={Lichtman MA and Shafer MS and Felgar RE and Wang N}, title={Size, Chromicity, and Shape: Normal and Abnormal}, booktitle={Lichtman's Atlas of Hematology 2016}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accessmedicine.mhmedical.com/content.aspx?aid=1138036725} }