@inbook{7250785,
author={S. Scott Sutton and Philip D. Hall and LeAnn B. Norris and Charles L. Bennett},
editor={Sutton, S. Scott},
title={Chapter 11. Immune System},
booktitle={McGraw-Hill's NAPLEX® Review Guide},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2011},
url={accesspharmacy.mhmedical.com/content.aspx?aid=7250785}
}