Dietary selenium deficiency exacerbates DSS-induced epithelial injury and AOM/DSS-induced tumorigenesis. - Barrett CW; Singh K; Motley AK; Lintel MK; Matafonova E; Bradley AM; Ning W; Poindexter SV; Parang B; Reddy VK; Chaturvedi R; Fingleton BM; et al. (PloS one, 2013)