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MINUTES OF THE THIRTY-NINTH ANNUAL MEETING OF THE AMERICAN PUBLIC HEALTH ASSOCIATION
Simpson, Robert M., Woodward, Wm. C.Volume:
2
Language:
english
Journal:
American Journal of Public Health
DOI:
10.2105/ajph.2.6.456
Date:
June, 1912
File:
PDF, 1.91 MB
english, 1912