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Credit
Sailor's physician, exhibiting the symptoms, causes and treatment of diseases incident to seamen and passengers in merchant vessels : with directions for preserving their health in sickly climates ; intended to afford medical advice to such persons while at sea, where a physician cannot be consulted / by Usher Parsons, M.D. Public Domain Mark. Source: Wellcome Collection.
Provider
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.)