Download or read book The School of Hygiene and Public Health, Vol. 3 written by Johns Hopkins University and published by Forgotten Books. This book was released on 2017-05-27 with total page 1166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The School of Hygiene and Public Health, Vol. 3: Collected Papers, 1921-1922 XXIV. The use of the original diagnostic culture for the deter mination of the virulence of diphtheria bacilli (the American Journal of Hygiene. Vol. II. P. 234. By Leon C. Havens and Horace M. Powell. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.