@article{thiesen_block_zonta_bittencourt_ferreira_cechinel filho_couto_bresolin_2016,  title={Simultaneous determination of epicatechin and procyanidin A2 markers in <i>Litchi chinensis</i> leaves by high-performance liquid chromatography},  volume={26},  ISSN={0102-695X},  url={https://doi.org/10.1016/j.bjp.2015.11.003},  DOI={10.1016/j.bjp.2015.11.003},  number={2},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Thiesen, Liliani C. and Block, Luciana C. and Zonta, Sabrina L. and Bittencourt, Christiane M. da S. and Ferreira, Rene A. and Cechinel Filho, Valdir and Couto, Angélica G. and Bresolin, Tania M.B.},  year={2016},  month={Mar},  pages={168–173} }