Physical degeneracy of the American people : showing that a system of education and abuse and neglect of children are among the chief causes of this degeneracy.

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Physical degeneracy of the American people : showing that a system of education and abuse and neglect of children are among the chief causes of this degeneracy. 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.)