Flavonoids from Cleome droserifolia Suppress NO Production in Activated Macrophages in Vitro - Fushiya, Shinji; Kishi, Yoji; Hattori, Koichi; Batkhuu, Javzan; Takano, Fumihide; Singab, A N B; Okuyama, Toru (Planta Medica, 1999)