http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Centers for Disease Control and Prevention's educational resource centers
Department of Health and Human Services.
1 online resource (19 unnumbered pages) : illustrations
Title from title screen (viewed July 8, 2016).
Centers for Disease Control and Prevention (U.S.)