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Constitutional conditions combined with ametropia the cause of asthenopia / by D. B. St. John Roosa.
- Roosa, D. B. St. John 1838-1908.
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About this work
[New York] : [D. Appleton], 
13 pages ; 20 cm
Reprinted from the New York medical journal for March 28, 1891
Where to find it
Location of original
This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)