@inbook{1128701103, author={Richard A. Harper, MD and John P. Shock, MD}, editor={Riordan-Eva, Paul and Cunningham, Jr., Emmett T.}, title={Cristalino}, booktitle={Vaughan y Asbury. OftalmologĂ­a general, 18e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicina.mhmedical.com/content.aspx?aid=1128701103} }