Association of area socioeconomic status and breast, cervical, and colorectal cancer screening: a systematic review.
Pruitt SL, Shim MJ, Mullen PD, Vernon SW, Amick BC. Association of area socioeconomic status and breast, cervical, and colorectal cancer screening: a systematic review. Cancer Epidemiol Biomarkers Prev. 2009 Oct; 18(10):2579-99.