@article{Guzmán Urrego_1993, title={Editorial}, volume={13}, url={https://revistabiomedica.org/index.php/biomedica/article/view/2053}, DOI={10.7705/biomedica.v13i3.2053}, number={3}, journal={Biomédica}, author={Guzmán Urrego, Miguel}, year={1993}, month={sep.}, pages={108} }