@inbook{1124916281,
author={Nancy Esthela Fernández Garza},
title={Electrocardiografía y fonocardiografía},
booktitle={Manual de laboratorio de fisiología, 6e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2015},
url={accessmedicina.mhmedical.com/content.aspx?aid=1124916281}
}