J. Rojas, F. Suárez, D. Bueno, A. Buitrago, L. Rojas, and E. Velazco, “Comparative study on the Chemical composition and antibacterial activity of the essential oil of Chromolaena laevigata (Lam.) R.M. King & H. Rob. collected from Mérida-Venezuela.”, Ciencia, vol. 20, no. 3, 1.