1. Report on nanotechnology;Roco,2003
2. Espicom Research. White paper. Chichester (UK): Epsicom Consulting; 2004. Available at: www.espicom.com
3. Centers for Medicare and Medicaid Services, Health and Human Services. Annual report on prescription expenditures Washington (DC): US Printing office; 2001.
4. Biotechnology Industry Organization (BIO) 2003 annual report. USA Today, 7 June 2004:1.
5. Biotechnology Industry Organization annual report,2003