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Submitted on: 03 September 2000.
Revised on: 18 September 2000.
Accepted on: 04 October 2000.
Nepalese Journal of Ophthalmology
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Submitted on: 25 October 2004.
Revised on: 13 November 2004.
Accepted on: 02 December 2004.
Nepalese Journal of Ophthalmology
Submitted on: 07 November 1999.
Revised on: 05 December 1999.
Accepted on: 18 December 1999.
Nepalese Journal of Ophthalmology
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