1. Food and Drug Administration, Center for Biologics Evaluation and Research, Rockville, MD. http://www.fda.gov/cber/ind/ind.htm.
2. Food and Drug Administration, Center for Biologics Evaluation and Research, Rockville, MD. http://www.fda.gov/cder/regulatory/applications/ind_page_1.htm.
3. Food and Drug Administration, Center for Biologics Evaluation and Research, Rockville, MD. http://www.fda.gov/cber/guidelines.htm.
4. Food and Drug Administration, Center for Biologics Evaluation and Research, Rockville, MD. http://www.fda.gov/cber/summaries.htm.
5. Food and Drug Administration, Center for Biologics Evaluation and Research, Rockville, MD. http://www.fda.gov/cber/genadmin/octgtprocess.htm.