Scientists Fret as Plant-Derived Drugs Hit Crossroad Published on: December 9, 2002 URL: http://www.planetark.org/dailynewsstory.cfm/newsid/18945/story.htm Website: http://www.planetark.org/dailynewsstory.cfm/newsid/18945/story.htm (Visited 16 times, 1 visits today) Related