@article{atallah_1996,  title={Efficacy and effectiveness of treatment},  volume={114},  ISSN={1516-3180},  url={https://doi.org/10.1590/S1516-31801996000400001},  DOI={10.1590/S1516-31801996000400001},  number={4},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Atallah, Álvaro Nagib},  year={1996},  month={Jul},  pages={1195–1195} }