@inbook{1179074058, author={Hugo Q. Cheng}, editor={Papadakis, Maxine A. and McPhee, Stephen J. and Rabow, Michael W.}, title={Generalidades: valoración preoperatoria y tratamiento perioperatorio}, booktitle={Diagnóstico clínico y tratamiento 2021}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2021}, url={accessmedicina.mhmedical.com/content.aspx?aid=1179074058} }