Koshiji M, Kumamoto K, Morimura K, Utsumi Y, Aizawa M, Hoshino M, Ohki S, Takenoshita S, Costa M, Commes T, Piquemal D, Harris CC, Tchou-Wong KM. Correlation of N-myc downstream-regulated gene 1 expression with clinical outcomes of colorectal cancer patients of different race/ethnicity. World J Gastroenterol. 2007 May 28;13(20):2803–10. PMID: 17569115; PMCID: PMC4395631.