American Gastroenterological Association
- http://www.gastro.org/
- Organization of physicians, researchers and educators whose primary practice or research involves the functions and disorders of the digestive system. Provides information on new developments, jobs available, and a free medicine database.
Berlex Foundation
- http://www.berlex-foundation.org
- Established in 1986, the Berlex Foundation is a nonprofit organization dedicated to fostering education and encouraging innovative research in the field of reproductive medicine.