Aqueous extracts from Menyanthes trifoliate and Achillea millefolium affect maturation of human dendritic cells and their activation of allogeneic CD4(+) T cells in vitro - Jonsdottir, G; Omarsdottir, S; Vikingsson, A; Hardardottir, I; Freysdottir, J (J Ethnopharmacol, 2011)