 @article{2000,  title={Advertising, supplements and the role of the correspondence column},  volume={118},  ISSN={1516-3180},  url={https://doi.org/10.1590/S1516-31802000000100007},  DOI={10.1590/S1516-31802000000100007},  number={1},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  year={2000},  month={Jan},  pages={30–30} }