Proanthocyanidins and related compounds: anti-leishmanial activity and modulatory effects on nitric oxide and tumor necrosis factor-alpha-release in the murine macrophage-like cell line RAW 264.7 - Kolodziej,H.; Kayser,O.; Kiderlen,A.F.; Ito,H.; Hatano,T.; Yoshida,T. (Biol Pharm Bull, 2001)