Abstract
Summary
A method for determination of sodium concentration of sweat from local areas is described. It consists of administering radioactive sodium to subjects, and then inducing a local flow by subdermal injections of mecholyl chloride. Sweat so produced is collected by the method of Dole, Stall and Schwartz, employing filter paper discs sealed in a collecting device. Sodium concentration is derived by determining the radioactivity of the filter paper, and its increment in weight after sweat collection.
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