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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- WALLS G. L., HEATH G. G. Neutral points in 138 protanopes and deuteranopes. J Opt Soc Am. 1956 Aug;46(8):640–649. doi: 10.1364/josa.46.000640. [DOI] [PubMed] [Google Scholar]
