1. Black’s Law Dictionary, 8th edn (2004) Patents.
2. USPTO (2007a) What is a Patent?, General Information Concerning Patents. http://www.uspto.gov/web/offices/pac/doc/general/index.html#patent
3. USPTO (2007b) Novelty And Non-Obviousness, Conditions For Obtaining A Patent, General Information Concerning Patents. http://www.uspto.gov/web/offices/pac/doc/general/index.html
4. WIPO (2007) http://www.wipo.int/about-wipo/en/what_is_wipo.html
5. Patents, medicine, and the interests of patients: applying general principles to gene patenting;Int. J. Gynaecol. Obstet.,2003