eers. Wiley. N.Y. Glass, L., Mackey, M. (1988) From Clocks to Chaos; The Rhythms of Life. Princeton University Press. Princeton. Goldberger, A.L., Rigney, D.R., West, B.J. (1990) Chaos and fractals in human physiology. Scientific American 262:42-49 Goldberger, A.L. (1996) Non-linear dynamics for clini