Antileishmanial Activity of Hydrolyzable Tannins and their Modulatory Effects on Nitric Oxide and Tumour Necrosis Factor-α Release in Macrophages in Vitro - Kolodziej, H; Kayser, O; Kiderlen, A F; Ito, H; Hatano, T; Yoshida, T; Foo, L Y (Planta Medica, 2001)