Johnson, C., 1999, Environmental controls in iodine deficiency disorders (IDD), Earthworks, 9 November, p. 3, British Geological Survey.
662
Greenwald, Peter, 1996. Chemoprevention of cancer. Scientific American, September 1996, 96–99.
663
Olivotto, Ivo, Hotter, Abram and Lesperance, Mary, 2002. In Breast Cancer Research and Treatment, http://www.nlm.nih.gov/medlineplus/news/fullstory_10706.html