id	domain	url
challenge-13	www.ahrq.gov	http://www.ahrq.gov/qual/nhdr08/chap4b.htm#low)
challenge-13	www.ahrq.gov	http://www.ahrq.gov/qual/dis
challenge-13	www.ahrq.gov	http://www.ahrq.gov/qual/nhdr09/key.htm)
challenge-13	www.ahrq.gov	http://www.ahrq.gov/qual/nhdr10
challenge-13	www.cancer.org	http://www.cancer.org/cancer/news/features/cancer-dispar
challenge-13	www.cdc.gov	http://www.cdc.gov/pcd/issues/2010
challenge-13	www.cdc.gov	http://www.cdc.gov/minorityhealth/reports/chdir11/factsheet.pdf)
challenge-13	hschange.org	http://hschange.org/content/443/#1)
challenge-13	www.census.gov	http://www.census.gov/press-release/www/releases/archives