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These references are in PubMed. This may not be the complete list of references from this article.
- Hartridge H., Owen H. B. TEST TYPES. Br J Ophthalmol. 1922 Dec;6(12):543–549. doi: 10.1136/bjo.6.12.543. [DOI] [PMC free article] [PubMed] [Google Scholar]



