Different strategies for discriminator identification in a NMR based metabonomics matrix of the genus Leontopodium using LC-SPE-NMR, 1H-NMR-guided isolation and classical phytochemistry - Schwaiger, S; Seger, C; Godejohann, M; Humpfer, E; Hehenberger, S; Tseng, LH; Ellmerer, EP; Spraul, M; Stuppner, H (Planta Medica, 2006)