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The announcement of a New York publishing house that a translation of Ewald's last work on gastric diseases is in preparation, is an indication of the growing importance of the teachings the modern German school. We know of only a few instances where the diagnostic methods of Ewald and his followers have been employed in private practice, although in some of our hospitals they have already become an established procedure. Briefly stated, they consist in a withdrawal of some of the contents of the stomach at certain timed intervals, the analysis of these abstracted specimens by specially chosen tests, and in the administration of what are designated as "test-meals" which are subsequently to be chemically examined. - No small part of the labor involved in the building up of this new system of diagnosis and treatment has been in the selection of trustworthy reagents that may be not too elaborate for
SOME RECENT RESEARCHES REGARDING GASTRIC DISEASES.. JAMA. 1891;XVII(13):489–490. doi:10.1001/jama.1891.02410910029006