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Article
January 1928

THE IODINE-STARCH TEST OF BODY FLUIDS: DEDUCTIONS FROM OVER ONE HUNDRED CONSECUTIVE TESTS OF THE EXTERNAL SECRETION OF THE PANCREAS IN DIABETES, IN DISEASES OF THE GALLBLADDER AND PANCREAS, AND IN A NORMAL CONDITION

Arch Intern Med (Chic). 1928;41(1):18-41. doi:10.1001/archinte.1928.00130130021003
Abstract

Considerable interest has been awakened concerning a test for pancreatic activity which has been advanced recently.1 Communications from different sources show its adoption as a clinical procedure for judging the condition of the pancreas by estimating the amyloclastic power of its external secretion. Doubts have arisen and the number of researches and experiences have multiplied until it seems warranted to present further data on the test.

The factors of the combining power of iodine solutions of peptone and other organic substances were known to me before the presentation of the test. So far as a solution of peptone admixture was concerned, my co-workers and I guarded against this shortly after the test was advanced, which was several months before the time of publication of the article by a procedure which I shall mention. Because the other factors could not be controlled (they were judged as insignificant), the modification of Piersol,

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