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VISUAL REQUIREMENT IN THE PUBLIC SERVICES OF THE UNITED STATES
POSEY, WILLIAM CAMPBELLVolume:
55
Language:
english
Journal:
JAMA: The Journal of the American Medical Association
DOI:
10.1001/jama.1910.04330070001001
Date:
August, 1910
File:
PDF, 1.42 MB
english, 1910