@article{viebig_2013,  title={THOUGHTS ON PAPER, THE PRESENT AND THE FUTURE},  volume={50},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-28032013000200028},  DOI={10.1590/S0004-28032013000200028},  number={3},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={VIEBIG, Ricardo Guilherme},  year={2013},  month={Jul},  pages={161–162} }