@article{Ramírez_2013, title={Lack of transparency in clinical trials: a call for action}, volume={44}, url={https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/1475}, DOI={10.25100/cm.v44i4.1475}, abstractNote={No abstract}, number={4}, journal={Colombia Medica}, author={Ramírez, Jorge H}, year={2013}, month={Dec.}, pages={243–246} }