@article{monteiro_albuquerque_lins neto_araújo_albuquerque_amorim_2006,  title={The effects of seasonal climate changes in the caatinga on tannin levels in Myracrodruon urundeuva (Engl.) Fr. All. and Anadenanthera colubrina (Vell.) Brenan},  volume={16},  ISSN={0102-695X},  url={https://doi.org/10.1590/S0102-695X2006000300010},  DOI={10.1590/S0102-695X2006000300010},  number={3},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Monteiro, Júlio M. and Albuquerque, Ulysses P. and Lins Neto, Ernani M.F. and Araújo, Elcida L. and Albuquerque, Miracy M. and Amorim, Elba L.C.},  year={2006},  month={Jul},  pages={338–344} }