Thuong, P.T., Jin, W.Y., Lee, J.P., Seong, R.S., Lee, Y.-M., Seong, Y.H., et al. (2005) Inhibitory Effect on TNF-Al- pha-Induced IL-8 Production in the HT29 Cell of Constituents from the Leaf and Stem of Weigela subsessilis. Archives of Pharmacal Research, 28, 1135-1141.