1. Commission on Intellectual Property Rights. Integrating Intellectual Property Rights and Development Policy (Commission on Intellectual Property Rights, London, 2002).
2. Yu, W. & Xiang, L. China Daily (June 28, 2011).
http://usa.chinadaily.com.cn/epaper/2011-06/28/content_12792520.htm
3. Vela, C. Nature 486, 7 (2012).
4. Moro-Martín, A. Nature 482, 277 (2012).
5. Jiménez-Contreras, E., Moya, F. & Delgado, E. Res. Policy 32, 123–142 (2003).