Flavonoids and sesquiterpenes from Teucrium ramosissimum promote antiproliferation of human cancer cells and enhance antioxidant activity: a structure-activity relationship study - Ben Sghaier, M; Skandrani, I; Nasr, N; Franca, M G; Chekir-Ghedira, L; Ghedira, K (Environ Toxicol Pharmacol, 2011)