@inbook{1175002951,
author={McGraw-Hill Medical},
title={Actualización sobre COVID-19 en Harrison, Medicina interna, en línea},
booktitle={Boletín: COVID-19},
publisher={McGraw-Hill Education},
address={New York, NY},
year={1},
url={accessmedicina.mhmedical.com/content.aspx?aid=1175002951}
}