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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Epstein P. S. Geometrical Optics in Absorbing Media. Proc Natl Acad Sci U S A. 1930 Jan;16(1):37–45. doi: 10.1073/pnas.16.1.37. [DOI] [PMC free article] [PubMed] [Google Scholar]
