@inbook{1128704399, author={August Colenbrander, MD}, editor={Riordan-Eva, Paul and Cunningham, Jr., Emmett T.}, title={Grado de visión funcional}, booktitle={Vaughan y Asbury. Oftalmología general, 18e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicina.mhmedical.com/content.aspx?aid=1128704399} }