Directory for Medical Cybernetics and related fields:   General Systems Theory Nonlinear Dynamics Signal Data, Modelling and Simulation Medical Decision Theory Societies, Associations and Networks Scientific Groups and Research Institutes Journals Directories News Groups and List Processors Databases, Software and Tools Specifications	Featured Books U. Alon (2006). An Introduction to Systems Biology: Design Principles of Biological Circuits D. A. De Jong (2007). Progress in Biological Cybernetics Research     Journal Club Original Article Deng, B. (2006). "Why is the number of DNA bases 4?" Bull Math Biol. 68 (3): 727-33. Epub 2006 Mar 29. Review Fricke, O., G. Lehmkuhl und E. Schoenau (2006). "The principle of regulation in biology--from bone to eating behavior." Exp Clin Endocrinol Diabetes. 114 (4): 197-203.