@inbook{1118388772,
author={Rafael Valdés González and Salvador Martínez Dubois},
editor={Martínez Dubois, Salvador},
title={Preoperatorio},
booktitle={Cirugía bases del conocimiento quirúrgico y apoyo en trauma, 5e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2011},
url={accessmedicina.mhmedical.com/content.aspx?aid=1118388772}
}