@article{cohen_2008,  title={Por que pensar a bioética?},  volume={54},  ISSN={0104-4230},  url={https://doi.org/10.1590/S0104-42302008000600002},  DOI={10.1590/S0104-42302008000600002},  number={6},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Cohen, Claudio},  year={2008},  month={Nov},  pages={473–474} }