Motion-life, or, The demon of the age and means of its exorcism / by H. Halsted.
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Motion-life, or, The demon of the age and means of its exorcism / by H. Halsted. Credit: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.. Public Domain Mark