@article{Guzmán Urrego_1985, title={Editorial}, volume={5}, url={https://revistabiomedica.org/index.php/biomedica/article/view/1901}, DOI={10.7705/biomedica.v5i3-4.1901}, number={3-4}, journal={Biomédica}, author={Guzmán Urrego, Miguel}, year={1985}, month={dic.}, pages={50} }