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Lua i Stíl Chicago (17ú heag.)ebrary, Inc, M. Bruce Shields, agus George L. Spaeth. The American Glaucoma Society: Its Founding and First 25 Years. Amsterdam, The Netherlands: Kugler Publications, 2010.
Lua MLA (9ú heag.)ebrary, Inc, et al. The American Glaucoma Society: Its Founding and First 25 Years. Kugler Publications, 2010.
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