Download or read book The American Journal of Hygiene, 1921, Vol. 1 (Classic Reprint) written by William H. Welch and published by Forgotten Books. This book was released on 2019-02-11 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The American Journal of Hygiene, 1921, Vol. 1 A contribution from the Department of Medical Zoology of the School of Hygiene and Public Health of the Johns Hopkins University. 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.