1. Heil A. System Theory. SPC 330. Retreived from: http://www.siue.edu/∼adheil/Systems%20Theory%20Paper.pdf.
2. Encyclopedia of Perception;Goldstein,2010
3. Finishing the euchromatic sequence of the human genome;International Human Genome Sequencing;Nature,2004
4. A decade later, genetics may yield few new cures;Wade;NY Times,2010
5. The human disease network;Goh;Proc Natl Acad Sci USA,2007