- Correspondence to Dr Somnath Mukhopadhyay, Department of Ophthalmology, Nil Ratan Sircar (NRS) Medical College and Hospital, 138 AJC Bose Road, Kolkata, West Bengal 700014, India;
- Received December 17, 2013
- Revised June 11, 2014
- Accepted July 19, 2014
- First published August 19, 2014.
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