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. 1876 Oct;2(Pt 2):332–340.

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A Note on Spectral Illusions, &c.

W T Gairdner, M.D.

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This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License, which permits non-commercial use and redistribution provided that the original author and source are credited.

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PMCID: PMC5084965 PMID: 28906850

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