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. 1971 Spring;11(1):19-55.

Reading aids for the partially sighted. A nontechnical explanation of basic optical principles

L L Sloan, S J Ryan Jr
  • PMID: 5129706

Reading aids for the partially sighted. A nontechnical explanation of basic optical principles

L L Sloan et al. Int Ophthalmol Clin. 1971 Spring.
No abstract available

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