Ochoa Pumaylle K, Paredes Quiroz LR, Bejarano Luján DL, Silva Paz RJ. Extraction, characterization and evaluation of antibacterial activity of essential oil of Senecio graveolens Wedd (Wiskataya). Sci. agropecu. 2012;3(4):291-302. doi:10.17268/sci.agropecu.2012.04.03