lcwaN0031548Petroleum Industry Health Organizationpertext/htmlborn digitalgeneraltextwebsiteIranPublic HealthCoronavirus Web ArchiveScience, Technology and Business Divisionhttps://www.piho.ir/49049http://cdn.loc.gov/service/webcapture/project_1/thumbnails/lcwaS0049049.jpghttp://piho.ir2015080620210529http://www.loc.gov/item/lcwaN0031548Library of Congress, Washington, D.C., 20540 USAdlcNonedlc20231017lcwaN0031548eng