Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Apen, Edwin M.",Health aspects of castor bean dust : review and bibliography,,"U.S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of Disease Prevention and Environmental Control",1967,Environmental health series: Air pollution,,,,https://cir.nii.ac.jp/crid/1130282269663884032