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Credit
Diseases of the chest : a treatise on the uses of the lungs and on the causes and cure of pulmonary consumption : designed for general as well as professional readers / by Samuel Sheldon Fitch. 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.)