Antimicrobial activity of the extract and isolated compounds from Baccharis dracunculifolia D. C. (Asteraceae) - Silva Filho, Ademar A. da; Sousa, João P. B. de; Soares, Sandra; Furtado, Niege Araçari Jacometti Cardoso; Silva, Márcio L. Andrade e; Cunha, Wilson R.; Gregório, Luís E.; Dhammika Nanayakkara, N. P.; Bastos, Jairo Kenupp (Zeitschrift für Naturforschung - Section C: A Journal of Biosciences, 2008)