1. 1. Khalid BAK, Ng ML (1991) Thyroid eye disease - medical or surgical therapy. Ann. Acad. Med. Singapore 20: 273-276.
2. Diagnosis and management of thyroid eye disease;Denniston;Hospital Medicine,2002
3. Thyroid eye disease;IU;Seminars in Ophthalmology,1999
4. 4. Wiersinga WM (1998) Preventing Graves' ophthalmopathy [editorial]. N. Eng. J. Med. 338: 121-122.
5. 5. Bartley GB (1994) Epidemiologic characteristics and clinical course of ophthalmopathy associated with autoimmune thyroid disease in Olmstead County, Minnesota. Trans. Am. Ophthalmol. Soc. 92: 477-588.