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- Author(s):
- Burnett, Swan M. (Swan Moses), 1847-1906, author
- Publication:
- Phila. : Lea Brothers & Co., [1891]
- Subject(s):
- Lens, Crystalline
Refraction, Ocular
- Author(s):
- Burnett, Swan M. (Swan Moses), 1847-1906, author
- Publication:
- [New York?] : [publisher not identified], [1883?]
- Subject(s):
- Refraction, Ocular
Astigmatism -- therapy