- Comparative analysis of expression profiling of early-stage carcinogenesis using nodule-in-nodule-type hepatocellular carcinoma. Nam, S.W., Lee, J.H., Noh, J.H., Lee, S.N., Kim, S.Y., Lee, S.H., Park, C.K., Ahn, Y.M., Park, W.S., Yoo, N.J., Lee, J.Y. European journal of gastroenterology & hepatology. (2006)