@inbook{55782574,
author={Richard A. Harper, MD and John P. Shock, MD},
editor={Riordan-Eva, Paul and Cunningham, Emmett T.},
title={Chapter 8. Lens},
booktitle={Vaughan & Asbury's General Ophthalmology, 18e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2011},
url={accessmedicine.mhmedical.com/content.aspx?aid=55782574}
}