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These references are in PubMed. This may not be the complete list of references from this article.
- Armaly M. F., Sayegh R. E. The cup-disc ratio. The findings of tonometry and tonography in the normal eye. Arch Ophthalmol. 1969 Aug;82(2):191–196. doi: 10.1001/archopht.1969.00990020193008. [DOI] [PubMed] [Google Scholar]