@article{velho_hartmann_kruel_2008,  title={Effect of black tea in diethylnitrosamine-induced esophageal carcinogenesis in mice},  volume={23},  ISSN={0102-8650},  url={https://doi.org/10.1590/S0102-86502008000400006},  DOI={10.1590/S0102-86502008000400006},  number={4},  journal={Acta Cirúrgica Brasileira},  publisher={Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia},  author={Velho, Átila Varela and Hartmann, Antonio Atalíbio and Kruel, Cleber Dario Pinto},  year={2008},  month={Jul},  pages={329–336} }