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April 27, 1940

Mineral Metabolism

JAMA. 1940;114(17):1691. doi:10.1001/jama.1940.02810170087025

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There are approximately twenty-four chemical elements in the body. The mineral elements include all but carbon, hydrogen, oxygen and nitrogen. Even these four elements, which make up the organic materials of the body, are found in salts such as ammonium carbonate. Thus the field of mineral metabolism embraces all of physiology. Although the mineral or ash constituents of the body have been known and studied since the beginning of modern chemistry, there have been few comprehensive descriptions of the role of these substances in the structure and function of the body. The present book brings together a vast amount of material, much of it conflicting, which has been scattered in the scientific and medical literature for many years. The author and the publishers have rendered a notable service by making available this brief connected account of the mineral elements in the body.

The material on the mineral composition of the

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