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- Author(s):
- Prout, J. S. (Jonathan Slater), author
- Publication:
- [Boston?] : [publisher not identified], [1872?]
- Subject(s):
- Hearing Tests -- standards
Reference Standards
- Author(s):
- Saraiva, Mario, active 1906, author
- Publication:
- Bahia : Officinas do "Diario da Bahia", 1906
- Subject(s):
- Urinalysis
Reference Standards
- Author(s):
- Ferguson, R. Maupin, author
- Publication:
- [Louisville?] : [publisher not identified], [1885?]
- Subject(s):
- Eyeglasses
Prescriptions
Reference Standards