Cohen, W. M., Walsh, J. P., & Arora, A. (2003). Effects of Research Tool Patents and Licensing on Biomedical Innovation. In W. M. Cohen & S. Merrill (Eds.), Patents in the Knowledge-Based Economy. National Academy Press.

Cohen, W. M., J. P. Walsh, and A. Arora. “Effects of Research Tool Patents and Licensing on Biomedical Innovation.” In Patents in the Knowledge-Based Economy, edited by W. M. Cohen and S. Merrill. National Academy Press, 2003.

Cohen WM, Walsh JP, Arora A. Effects of Research Tool Patents and Licensing on Biomedical Innovation. In: Cohen WM, Merrill S, editors. Patents in the Knowledge-Based Economy. National Academy Press; 2003.

Cohen, W. M., et al. “Effects of Research Tool Patents and Licensing on Biomedical Innovation.” Patents in the Knowledge-Based Economy, edited by W. M. Cohen and S. Merrill, National Academy Press, 2003.

Cohen WM, Walsh JP, Arora A. Effects of Research Tool Patents and Licensing on Biomedical Innovation. In: Cohen WM, Merrill S, editors. Patents in the Knowledge-Based Economy. National Academy Press; 2003.