JAMA. 1930;94(4):239-241. doi:10.1001/jama.1930.02710300011003.
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With the passing of the nineteenth century came a distinct change in science and its applications, which had a profound effect on medicine. Although the discoveries of Roentgen and the Curies were purely physical, the practical side of their work has been largely medical, affording not only diagnostic but also therapeutic aid. So general has the acceptance of this aid been that there is now a distinct branch of medicine devoted to radiant energy under the caption of radiology. It is only natural that in the entering of new fields many disappointments and failures should have resulted. These have come from faulty technic interpretation or application; nevertheless, improvement has steadily taken place, so that we now have a more definite idea as to the place x-rays and radium should occupy in our diagnostic and therapeutic armamentarium. In modern hospitals there has been an endeavor to increase radiologic efficiency, and it


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