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August 19, 1939

Bacteria: The Smallest of Living Organisms (1872)

JAMA. 1939;113(8):711. doi:10.1001/jama.1939.02800330077045

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


This reprint from the Bulletin of the History of Medicine makes available one of the most important essays in the history of bacteriology. First published in 1872, it appeared when Pasteur was in the midst of his studies on fermentation and spontaneous generation and when Koch was still an unknown physician.

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