@article{okawa_okawa_meister_2007,  title={Linfadenocromatografia perigástrica com carbono ativado (CH40): estudo clínico},  volume={20},  ISSN={0102-6720},  url={https://doi.org/10.1590/S0102-67202007000300013},  DOI={10.1590/S0102-67202007000300013},  number={3},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={Okawa, Minao and Okawa, Luciano and Meister, Hugo},  year={2007},  month={Jul},  pages={189–194} }