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The author professes that his aim in writing this book was to furnish a reliable guide for beginners, to be of help to practicing roentgenologists, and to point out to the men who engage in roentgen-ray research work the questions that are still open, in order to stimulate progressive investigation. The author has succeeded in this self-imposed task. Although an enthusiastic roentgenologist, he insists that roentgen-ray diagnosis never should be used independently, but should be employed in cooperation with all other diagnostic means. He concedes to the surgeons that they were the initiators of roentgen-ray diagnosis, as they recognized its importance prior to the internists. After discussing the technology, the author presents and interprets pictures of the normal organs, and brings the visible changes due to functional activities into comparison with the outlines of the quiescent organs. Pathologic conditions and their expressions in the roentgenogram and in the fluoroscopic picture
Die Röntgendiagnostik der Magen- und Darmkrankheiten.. JAMA. 1923;80(9):649-650. doi:10.1001/jama.1923.02640360057036