A manual of practical hygiene : intended especially for medical officers of the Army and for civil medical officers of health / by Edmund A. Parkes.
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A manual of practical hygiene : intended especially for medical officers of the Army and for civil medical officers of health / by Edmund A. Parkes. Credit: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.. Public Domain Mark