@inbook{1117580260, author={Dr. Federico Graue Wiechers and Dr. Gerardo Graue Moreno}, editor={Wiechers, Enrique Graue}, title={Exploración del fondo de ojo}, booktitle={Oftalmología en la práctica de la medicina general, 4e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicina.mhmedical.com/content.aspx?aid=1117580260} }