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October 29, 1898


JAMA. 1898;XXXI(18):1011-1012. doi:10.1001/jama.1898.92450180005001a

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I count not the least valuable to myself of my former collaborations with the late Dr. Isaac Kerlin a study that we made together-with intent of reducing to tabulated form-of those diseases most common to the feeble-minded. This study involved the examination of medical records of 1400 cases, covering a period of twenty-five years, and I have since extended it so as to include some 3000 cases. Sifted out, we find the diseases, some eighty in number, distributed equally among the sexes, and in varying proportion in the different grades. Broadly considered, there are three conditions or classes which the feebleminded present to the eye of the medical observer, with modifications of course in different grades, causing the individual, therefore, to repel or to succumb to disease each in a different way. We have, first, a physical development according to age, susceptibilities to pain or pleasure being almost normal, and

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