@article{vilela_caramelli_2009,  title={Knowledge of the definition of euthanasia: study with doctors and caregivers of Alzheimer's disease patients},  volume={55},  ISSN={0104-4230},  url={https://doi.org/10.1590/S0104-42302009000300016},  DOI={10.1590/S0104-42302009000300016},  number={3},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Vilela, Luciana Pricoli and Caramelli, Paulo},  year={2009},  pages={263–267} }