1. US Food and Drug Administration, Office of Combination Products (2003) Annual Report to Congress Federal Food, Drug, and Cosmetic Act as Amended by the Medical Device User Fee Act of 2002, National Press Office, Rockville, MD.
2. Brien, S. E., Zagzag, D., and Brem, S. (1989) Neurosurgery, 25, 715–719.
3. Folkman, J. (1990) J. Natl. Cancer Inst., 82, 4–6.
4. Fukumura, D., Xavier, R., Sugiura, T., Chen, Y., Park, E. C., Lu, N., Selig, M., Nielsen, G., Taksir, T., Jain, R. K., and Seed, B. (1998) Cell, 94, 715–725.
5. Peichev, M., Naiyer, A. J., Pereira, D., Zhu, Z., Lane, W. J., Williams, M., Oz, M. C., Hicklin, D. J., Witte, L., Moore, M. A. S., and Rafii, S. (2000) Blood, 95, 952–958.