@inbook{1169194490,
author={Shivani Patel and Scott Roberts and Vanessa Rogers and Ashley Zink and Elaine Duryea and Jamie Morgan},
title={Anticoncepción},
booktitle={Williams Obstetricia. Guía de estudio, 25e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2020},
url={accessmedicina.mhmedical.com/content.aspx?aid=1169194490}
}