@inbook{1158313779, author={S. Scott Sutton}, editor={Sutton, S. Scott}, title={Immune System}, booktitle={McGraw-Hill's NAPLEX® Review Guide, 3e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accesspharmacy.mhmedical.com/content.aspx?aid=1158313779} }