Tumor Necrosis Factor-Producing Activity of Wogonin in RAW 264.7 Murine Macrophage Cell Line - Chiu, Jen-Hwey; Lay, Ing-Shiow; Su, Ming-Yuan; Chiu, Hsiu-Li; Chiu, Ai-Chin; Lui, Wing-Yiu; Wu, Chew-Wun (Planta Medica, 2002)