Thyroid Manager
Authoritative, complete and current analysis of all aspects of human thyroid physiology and thyroid disease.
www.thyroidmanager.org/   reviews

Thyroid Overview
Includes hypothyroid, hyperthyroid and TSH testing information. Santa Monica Thyroid Diagnostic Center.
www.thyroid.com/   reviews

Gland Central
Patient-oriented information site about the thyroid and thyroid disorders. Includes a self-assessment questionnaire.
www.glandcentral.com/   reviews

European Euthyroid Project
Examining the role of thyroid hormone in neurodevelopment.
euthyroid.org/   reviews