@inbook{1154311707,
author={Michael H. Crawford, MD},
editor={Crawford, Michael H.},
title={Regurgitación mitral},
booktitle={Diagnóstico y tratamiento en cardiología, 5e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accessmedicina.mhmedical.com/content.aspx?aid=1154311707}
}