Additional file 1.Description of the procedures used to identify subsystems, along with formal proofs. This is given as a pdf file and is referred to in the main text. Format: PDF Size: 265KB Download file This file can be viewed with: Adobe Acrobat Reader Irons and Monk BMC Bioinformatics 2007 8:413 doi:10.1186/1471-2105-8-413 |