Valeri L, Chen JT, Garcia-Albeniz X, Krieger N, VanderWeele TJ, Coull BA. The role of stage at diagnosis in colorectal cancer black-white survival disparities: a counterfactual causal inference approach. Cancer Epidemiol Biomarkers Prev. 2016 Jan;25(1):83-9. doi: 10.1158/1055-9965.EPI-15-0456
Karve SJ, Price GL, Davis KL, Pohl GM, Smyth E, Bowman L. Comparison of demographics, treatment patterns, health care utilization, and costs among elderly patients with extensive-stage small cell and metastatic non-small cell lung cancers. BMC Health Serv Res. 2014 Nov 13;14(1):555. doi: 10.1186/s12913-014-0555-8
Fortuny J, Kogevinas M, Garcia-Closas M, Real FX, Tardon A, Garcia-Closas R, Serra C, Carrato A, Lloreta J, Rothman N, Villanueva C, Dosemeci M, Malats N, Silverman D. Use of analgesics and nonsteroidal anti-inflammatory drugs, genetic predisposition, and bladder cancer risk in Spain. Cancer Epidemiol Biomarkers Prev. 2006 Sep;15(9):1696-702. doi: 10.1158/1055-9965.EPI-06-0038