http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from title screen (viewed on Aug. 12, 2008).
Mode of access: Internet from the NCI web site. Address as of 8/12/2008: http://www.cancer.gov/images/Documents/b3c53474-9acd-4708-9968-6401d7de5054/fs3%5F13.pdf ; current access available via PURL.
Fact sheet (National Cancer Institute (U.S.)) ; 3.13