@inbook{1184037098,
author={John S. McDonald and Biing-Jaw Chen and Wing-Fai Kwan},
editor={DeCherney, Alan H. and Nathan, Lauren and Laufer, Neri and Roman, Ashley S.},
title={Analgesia y anestesia en obstetricia},
booktitle={Diagnóstico y tratamiento ginecoobstétricos, 12e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2021},
url={accessmedicina.mhmedical.com/content.aspx?aid=1184037098}
}