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2. Chaos and fractals in human physiology;Goldberger;Sci Am,1990
3. Fractal physiology;Bassingthwaighte,1994
4. Nonlinear dynamics in sudden cardiac death syndrome: heartrate oscillations and bifurcations;Goldberger;Experientia,1988
5. Nonlinear mechanics of the heart's swinging during pericardial effusion;Rigney;Am J Physiol,1989