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To the Editor:
—The ordinary yeast method may tell us that the urine contains a fermentable substance; the new mycologic method tells us this and in addition tells us what the fermentable substance [ill] Dr. Einhorn states that the type of sugar present is of secondary importance. With this statement I am unable to agree. It seems to me that also from a practical point of view it is of importance to differentiate between glucose, maltose, galactose, lactose and pentose, and a method that enables us to do this in a fairly easy and rapid manner is perhaps of some utility.
Castellani A. "FALLACIES OF THE 'YEAST METHOD' OF DETECTING GLUCOSE IN THE URINE". JAMA. 1926;86(12):892. doi:10.1001/jama.1926.02670380082036