No abstract available
Publication types
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Historical Article
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Animals
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Color Perception / physiology
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History, 20th Century
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Photoreceptor Cells / physiology
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Ranidae
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Retina / physiology
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Retinal Pigments / physiology*
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Spectrophotometry