1. Eiseman E, Haga S. Handbook of human tissue sources: a national resource of human tissue samples. Santa Monica, CA, RAND Corporation, 1999.
2. Office for Human Research Protections. Guidance on research involving coded private information or biological specimens. Available at: http://www.hhs.gov/ohrp/policy/cdebiol.html. Accessed January 12, 2011.
3. Skloot R. The immortal life of Henrietta Lacks. New York, Crown, 2010.