Bioactive chemical constituents and comparative antimicrobial activity of callus culture and adult plant extracts from alternanthera tenella - Salvador, Marcos José; Pereira, Paulo S.; França, Suzelei Castro; Cândido, Regina Célia; Ito, Izabel Yoko; Dias, Diones Aparecida (Zeitschrift fuer Naturforshung. Section C: a Journal of Biosciences, 2009)