V. . Wamanutajinda, A. . Wongkajornsilp, Y. . Sattawatthamrong, and . S. . Huabprasert, “The Suppression of MUC1 Expression in Cultured Cholangiocarcinoma Cells Using Antisense MUC1 Ribozyme Strategy”, Siriraj Med J, vol. 54, no. 10, pp. 617–624, Oct. 2002.