David Glendenning Cogan, M. D. : The Howe Laboratory of Ophthalmology at Harvard Medical School, the Massachusetts Eye and Ear Infirmary, and the National Eye Institute

New (perfect condition)

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Very good (good condition)

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Good (clean condition)

All pages and the cover is intact. The spine may show signs of wear. Pages include notes and/or highlighting.

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All pages and the cover is intact. Pages include considerable notes in pen or highlighter, but the text is not obscured.