1. The International Classification of Headache Disorders. 2nd ed;Headache Classification Subcommittee of the International Headache Society;Cephalalgia,2004
2. Ocular findings as predictors of carotid artery occlusive disease: Is carotid imaging justified?;McCullough;J Vasc Surg,2004
3. The Wills Eye Manual. Chapter 5 Conjunctiva/Sclera/Iris/External Disease;Ehlers,2008
4. Ocular Manifestations of Systemic Disease: Chapter 3 Cardiovascular Disease;Blaustein,1994
5. Ocular and systemic findings and their correlation with hemodynamically significant carotid artery stenosis: a retrospective study;Lyons-Watt;Optom Vision Sci,2002