1. Benya, P.D., and Shaffer, J. D., 1982, Dedifferentiated chondrocytes reexpress the differentiated collagen phenotype when cultured in agarose gels, Cell 30:215–224.
2. Burdon, R. H., and Adams, R. L. P., 1980, Eukaryotic DNA methylation, Trends Biochem. Sci. 5: 294–297.
3. Carrel, A., and Ebeling, A. H., 1922, Pure cultures of large mononuclear leucocytes, J. Exp. Med. 36: 365–378.
4. Champy, C., 1912, Sur les phénomènes cytologique qui s’observent dans les tissus cultivés en dehors de l’organisme, C.R. Soc. Biol. 72:987–988.
5. Chandler, L. A., and Jones, P. A., 1988, Hypomethylation of DNA in the regulation of gene expression, in: Developmental Biology: A Comprehensive Synthesis, Vol. 5: The Molecular Biology of Cell Determination and Cell Differentiation (L. W. Browder, ed.), pp. 335–349, Plenum, New York.