The guide to health : designed to promote the health, happiness and longevity of students and all others in sedentary life, especially invalids / by Daniel Newell.

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The guide to health : designed to promote the health, happiness and longevity of students and all others in sedentary life, especially invalids / by Daniel Newell. 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.)