@inbook{1168030660,
author={Roberto Arenas Guzmán},
title={Pelagra},
booktitle={Dermatología. Atlas, diagnóstico y tratamiento, 7e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2019},
url={accessmedicina.mhmedical.com/content.aspx?aid=1168030660}
}