McCullough, K. D., Coleman, W. B., Ricketts, S. L., Wilson, J. W., Smith, G. J., & Grisham, J. W. (1998). Plasticity of the neoplastic phenotype in vivo is regulated by epigenetic factors. The National Academy of Sciences.

McCullough, Karen D., William B. Coleman, Sharon L. Ricketts, Julie W. Wilson, Gary J. Smith, a Joe W. Grisham. Plasticity of the Neoplastic Phenotype in Vivo Is Regulated By Epigenetic Factors. The National Academy of Sciences, 1998.

McCullough, Karen D., et al. Plasticity of the Neoplastic Phenotype in Vivo Is Regulated By Epigenetic Factors. The National Academy of Sciences, 1998.