1. Medicine and magic among the Maka Indians of the Paraguayan Chaco;Arenas;Journal of Ethnopharmacology,1987
2. Arrow and dart poisons;Bisset;Journal of Ethnopharmacology,1989
3. Naturally Occurring Acetylenes;Bohlmann,1973
4. The ethnobotanical approach to drug discovery: strengths and limitations;Cox,1994
5. Ethnopharmacology and drug development;Farnsworth,1994