1. Gumucio, J. J., and Miller, D. L., 1981, Functional implications of liver cell heterogeneity, Gastroenterology 80: 393–403.
2. Jungermann, K., and Katz, N., 1982, Functional hepatocellular heterogeneity, Hepatology 2: 385–395.
3. Blowin, A., Bolender, R. P., and Weibel, E. R., 1977, Distribution of organelles and membranes between hepatocytes and nonhepatocytes in the rat liver parenchyma: A stereological study, J. Cell Biol. 72: 441–445.
4. Van Berkel, T. J. C., 1982, Functions of hepatic non-parenchymal cells, in: Metabolic Com-partmentation (H. Sies ed.), pp. 437–482, Academic Press, London.
5. Zahlten, R. N., Rogoff, T. M., and Steer, C. J., 1981, Isolated Kupffer cells, endothelial cells and hepatocytes as investigative tools for liver research, Fed. Proc. Fed. Am. Soc. Exp. Biol 40: 2460–2468.