@article{Morales_2010, title={Carta al editor}, volume={30}, url={https://revistabiomedica.org/index.php/biomedica/article/view/193}, DOI={10.7705/biomedica.v30i2.193}, number={2}, journal={Biomédica}, author={Morales, Alberto}, year={2010}, month={ago.}, pages={309} }