Ellagic Acid - Summary of clinical studies and cancer research on ellagic acid. - http://www.ellagic-research.org/
Phytochemicals - Gives information about the functions of phytochemicals, and lists plants where they can be found. - http://www.phytochemicals.info/
Plant Constituents - Links to resources to identify the chemical constituents of medicinal herbs and their properties - http://medherb.com/CONSTITS.HTM