J. David Phillipson

Alkaloids of hairy root cultures of a Datura candida hybrid

P. Christen, W. Evans, M. Roberts, 1990, Plant Cell Reports.

Toward the chemical ecology of medicinal plant use in chimpanzees: The case ofVernonia amygdalina, a plant used by wild chimpanzees possibly for parasite-related diseases

H. Ohigashi, D. Warhurst, D. Allen, 1994, Journal of Chemical Ecology.