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February 9, 1924


JAMA. 1924;82(6):472-473. doi:10.1001/jama.1924.02650320042018

The practical problems in medicine related to gastric motility, gastric secretion and the composition of the gastric juice have undergone extensive revision and restatement in recent years. This has been due in considerable degree to the introduction of new methods of study and diagnosis, with a consequent augmentation of our knowledge of the subject. The employment of an improved stomach tube permitting the fractional examination of gastric contents is illustrative of changes in technic. The revised interpretation of the reaction of body fluids in terms of hydrogen-ion concentration, and the modern consideration of "buffer" systems that may take up large quantities of acids or bases without materially modifying the reaction of the medium, have altered the chemical features of the digestive processes. The roentgen-ray examination has revealed new aspects of the motility and position of internal organs. The duodenal sound has permitted unanticipated penetration beyond the pylorus for the introduction