http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from title screen (viewed on Feb. 26, 2007).
Mode of access: Internet from DHHS web site. Address as of 9/26/07: http://opa.osophs.dhhs.gov/pubs/whatknow_pill.pdf; current access available via PURL.