Han, J. ., Koh, W. ., Lee, H. ., Lee, H. ., Lee, E. ., Lee, S. ., … Kim, S. . (1969). Analgesic and anti-inflammatory effects of ethyl acetate fraction of Polygonum cuspidatum in experimental animals. Immunopharmacology and Immunotoxicology. https://doi.org/10.3109/08923973.2011.590499 (Original work published)