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Report of Committee on Standardizing Test Cards
Jackson, Edward, Black, Nelson M., Lancaster, Walter B., Ewing, A.E.Volume:
2
Language:
english
Journal:
American Journal of Ophthalmology
DOI:
10.1016/s0002-9394(19)90353-9
Date:
February, 1919
File:
PDF, 363 KB
english, 1919