The causes of asthenopia / by D. B. St. John Roosa.
- Roosa, D. B. St. John 1838-1908.
About this work
[New York] : [publisher not identified], 
5 pages ; 23 cm
Reprinted from the Transactions of the Medical Society of the State of New York
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Location of original
This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)