@article{article761c84e6, title = {A validated chromotographic method for the determination of flavonoids in Copaifera langsdorffii by HPLC}, author = {Sousa, João Paulo B. de and Brancalion, Ana Paula Santin and Groppo Júnior, Milton and Bastos, Jairo Kenupp}, year = {2012}, journal = {Natural Product Comunications} }