- Correspondence to Dr Esen K Akpek, Department of Cornea and External Disease Service, Ocular Surface Diseases and Dry Eye Clinic, The Wilmer Eye Institute, Johns Hopkins Medical Institutions, 600 N. Wolfe Street, Maumenee #317, Baltimore, MD 21287-9238, USA;
- Accepted August 21, 2012
- First published September 21, 2012.
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