1. PhRMA. Pharmaceutical Industry Profile 2009. PhRMA website [ online ] (2009).
2. Burrill & Company. Biotech 2008: a 20/20 vision to 2020. Available from the BayBio website [ online ] (2008).
3. Stoeffels, P. Collaborative innovation for the post-crisis world. Boston Globe (2 Feb 2009).
4. Pisano, G. Science Business: The Promise, The Reality, and The Future of Biotech (Harvard Business School Press, Boston, Massachusetts, 2006).
5. Hansen, R. W. in Issues in Pharmaceutical Economics (ed. Chien, R. I.) 151–187 (Lexington Books, Lexington, 1979).