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Credit
Remarks on the causes, prevention, & management of the present prevailing epidemic, commonly called typhous fever : for the use and benefit of the people / by W.O. Porter, M.D. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.