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E. Hernandez-Bogantes
Vitreo-Retinal, Instituto de Cirugia Ocular, Heredia, Costa Rica
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L. Wu
Vitreoretinal, Instituto De Cirugia Ocular, San Jose, Costa Rica
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J. Roca
Vitreo-Retinal, Clinica Ricardo Palma, Lima, Peru
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J. F. Arevalo
Retina and Vitreous, Clinica Oftal Centro Caracas, Caracas, Venezuela
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K. Barraza
Vitreo-Retinal, Clinica Ricardo Palma, Lima, Peru
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A. F. Lasave
Vitreo-Retinal, Clinica Oftalmologica Centro Caracas, Caracas, Venezuela
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Pan American Collaborative Retina Study Group
Vitreo-Retinal, Instituto de Cirugia Ocular, Heredia, Costa Rica