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Article
December 1925

THE CONCENTRATION OF THE BLOOD AND OF THE URINE IN DIABETIC TOXEMIA

Author Affiliations

WITH THE ASSISTANCE OF Carter Lee and Celia F. Murphy NEW HAVEN, CONN.

From the department of internal medicine of Yale University and the medical service of the New Haven Hospital.

Arch Intern Med (Chic). 1925;36(6):857-873. doi:10.1001/archinte.1925.00120180111011
Abstract

The marked concentration of the blood that is found in the severe diabetic state has been pointed out in a previous article.1 Here we wish to show the striking changes in the concentration of the urine that are associated with this condition and to indicate the rapid alterations that accompany successful therapy.

Urinary nitrogen was determined by the usual Kjeldahl method; sugar by a modification of Benedict and Osterberg's micro method2 in the earlier studies and later by the Shaffer and Hartmann method.3 Urinary phosphate was estimated by the method of Bell and Doisy as modified by Briggs,4 and chlorid by Volhard-Harvey titration. The Austin and Van Slyke5 method for plasma chlorid was used in earlier studies; later Van Slyke's6 new method was substituted. Plasma phosphate was determined at first by Brigg's4 modification of the Bell and Doisy method and later by the procedure proposed by Benedict and Theis.7 The

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