Data Views Total Plants: 9 Total Activities: 2 CSV Excel PDF Click on column headings to sort table by that column Activity *Reference Cancer-Preventive Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp. Depressant Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. *Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.