The tree of life, or, Human degeneracy : its nature and remedy, as based on the elevating principle of orthopathy / by Isaac Jennings.

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The tree of life, or, Human degeneracy : its nature and remedy, as based on the elevating principle of orthopathy / by Isaac Jennings. Credit: 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.). Public Domain Mark