@article{Hernández_2019, title={Miguel Antonio Guzmán Urrego 1933-2019}, volume={39}, url={https://revistabiomedica.org/index.php/biomedica/article/view/5063}, number={Sp. 1}, journal={Biomédica}, author={Hernández, Carlos Arturo}, year={2019}, month={may}, pages={221–223} }