June 1, 2009 – Dry Eye and Our Changing Environment, Marguerite McDonald
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- 1 June, 2009
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Dry Eye and Our Changing Environment
Crater Lake: Monitoring the Underwater Environment
Marguerite McDonald, MD (Long Island, NY), Ophthalmic Consultants of Long Island. “Dry Eye Causes, Diagnosis and Treatment in a Changing Environment.”
John Salinas (Grants Pass, OR), Crater Lake Institute, “The Incredible Underwater World at Crater Lake”.
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