- Correspondence to: Dr Valérie Biousse Neuro-ophthalmology Unit, Emory Eye Center, 1365-B Clifton Road, NE, Atlanta, GA 30322, USA;
- Received January 17, 2006
- Accepted March 21, 2006
- Revised March 20, 2006
- First published March 30, 2006.
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