The hygiene of air and water : being a popular account of the effects of the impurities of air and water, their detection, and the modes of remedying them / by William Procter.
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The hygiene of air and water : being a popular account of the effects of the impurities of air and water, their detection, and the modes of remedying them / by William Procter. 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