Discovery and resupply of pharmacologically active plant-derived natural products: A review - Atanasov, A G; Waltenberger, B; Pferschy-Wenzig, E M; Linder, T; Wawrosch, C; Uhrin, P; Temml, V; Wang, L; Schwaiger, S; Heiss, E H; Rollinger, J M; Schuster, D; Breuss, J M; Bochkov, V; Mihovilovic, M D; Kopp, B; Bauer, R; Dirsch, V M; Stuppner, H (Biotechnol Adv, 2015)