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March 31, 1945


JAMA. 1945;127(13):746-748. doi:10.1001/jama.1945.02860130006002

During the last few years important technical steps have been made which have greatly improved the available types of miniature chest roentgenograms. These steps include the use of the stationary grid, improvements in lenses, use of a special single emulsion film and improvements in the rotating tube. With these improvements making small chest roentgenograms of excellent quality possible, long series indicate that from a diagnostic point of view the miniature 4 by 10 inch film combining a stereoscopic pair of 4 by 5 inch chest roentgenograms is closely comparable to the usual 14 by 17 single film if not superior to it in regard to accuracy.1 The Army has examined millions of chests by this method.2

Miniature chest radiography can no longer be called experimental. It is a well established, valuable procedure, making it possible to increase greatly the number of chest examinations done in any one x-ray