Nishizawa N, Harada H, Kumamoto Y, Kaizu T, Katoh H, Tajima H, Ushiku H, Yokoi K, Igarashi K, Fujiyama Y, Okuwaki K, Iwai T, Watanabe M, Yamashita K. Diagnostic potential of hypermethylation of the cysteine dioxygenase 1 gene (CDO1) promoter DNA in pancreatic cancer. Cancer Science. 2019 Aug 10;110(9):2846–55. doi: 10.1111/cas.14134.