The factory system, in its hygienic relations : an address delivered at Boston at the annual meeting of the Massachusetts Medical Society, May 27, 1846 / by John O. Green.

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The factory system, in its hygienic relations : an address delivered at Boston at the annual meeting of the Massachusetts Medical Society, May 27, 1846 / by John O. Green. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)