Excerpt from Announcement Relative to the Laboratory Work of the Department of HealthIn offering to the physici'ans of this Common-wealth, through the liberality Of the university of Pennsylvania, - laboratory facilitiesfor'the diagnosis of certain morbid conditions and the detection of obscure sources of disease, it' is considered important to brie¿y outline the character of this. Work in order that the significance of the results. May be justly estimated.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.