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June 13, 1903


JAMA. 1903;XL(24):1652-1653. doi:10.1001/jama.1903.02490240032004

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Among the new words emerging from the laboratories of physics and chemistry which are finding their way into articles on medical subjects are "ion" and "electron." The word "ion" is already well launched medically; the word "electron," though but seldom met with as yet in contributions to the medical press, is destined to, occupy, sooner or later, a very prominent place in medical writing. It seems worth while, therefore, to try to make the meanings of these words clear in order that those of our readers not quite at home with them may have less difficulty in understanding the articles in which they may chance to be used.

Bearing firmly in mind the conceptions of atoms and molecules gained in our chemical studies of the past, it is not difficult to pass on to the idea which the term ion has been adopted to express. After the establishment of the

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