@inbook{1120414729,
author={Alan H. DeCherney and Lauren Nathan and Neri Laufer and Ashley S. Roman},
title={Siglario},
booktitle={Diagnóstico y tratamiento ginecoobstétricos, 11e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2015},
url={accessmedicina.mhmedical.com/content.aspx?aid=1120414729}
}