To help save 300,000,000 war work days this year : a keep fit educational program of personal health, safety and physical conditioning which every industrial or community unit can easily and economically put to work Keep fit educational program of personal health, safety and physical conditioning which every industrial or community unit can easily and economically put to work Health Education Occupational Diseases -- prevention & control Health Promotion Occupational Health -- economics Washington, D.C. : Chamber of Commerce of the United States of America, [1943] Chamber of Commerce of the United States of America, issuing body. Text Illustrations 20 unnumbered pages nlm:nlmuid-101221353-bk 101221353 http://resource.nlm.nih.gov/101221353 English United States The National Library of Medicine believes this item to be in the public domain. https://creativecommons.org/publicdomain/mark/1.0