Monthly Cyclopedia and Medical Bulletin, 1909, Vol. 2 (Classic Reprint)

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Excerpt from Monthly Cyclopedia and Medical Bulletin, 1909, Vol. 2A few cautious workers continued the employment of the remedy in spite of its apparent failure, and, after a few years, were able to report to the world that tuberculin is of value, and today it is all but universally recognized by those who are treating tuberculosis.Aside from the original tuberculin there have been many other prepara tions made, Koch himself has given us two: T. R, which contains those toxins of the tubercle bacillus which are not readily soluble in distilled water, and T. E., which is an emulsion of dead tubercle bacilli.The watery extract of tubercle bacilli, von Ruck, is made by pulverizing the bodies of the bacilli in an agate mortar and extracting them with distilled water after the fats have first been removed by extraction with alcohol and ether.Denys' tuberculin is the filtered broth upon which the bacilli have been grown, and differs from Koch's old tuberculin in that it has not been subjected to heat.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.