American Thyroid Association
The ATA provides outstanding leadership in thyroidology by promoting excellence and innovation in clinical care, research, education, and public policy.
www.thyroid.org

National Cancer Institute
Established under the National Cancer Institute Act of 1937, the NCI is the Federal Government's principal agency for cancer research and training.
www.cancer.gov

UCLA Endocrine Surgery
The Endocrine Surgery Team at UCLA in Los Angeles, California is a multidisciplinary subspecialty service with a focus on diseases of the parathyroid, thyroid, and adrenal glands.
http://www.endocrinesurgery.ucla.edu/