1. National Conference on Physicians and the Environment 23-24 February 1993 Washington DC.
2. National Conference on Air Pollution Impacts on Body Organs and Systems 18 November 1994 Washington DC.
3. Water Pollution and Health Conference 21-24 May 1997 Chicago Illinois.
4. The environment and biomedical research.
5. Carson R. Silent Spring. New York:Fawcett Crest 1964.