Title from title screen (viewed on Aug. 13, 2008).
"10/10/06."
Mode of access: Internet from the NCI web site. Address as of 8/13/2008: http://www.cancer.gov/images/Documents/282a4c4c-beb6-4721-adb7-7d28ca245e2b/fs6.2s.pdf; current access available via PURL.