Padmavati Sridhar Tamer Kahveci Sanjay Ranka An Iterative Algorithm for Metabolic Network-Based Drug Target Identification. 88-99 2007 conf/psb/2007 Pacific Symposium on Biocomputing http://psb.stanford.edu/psb-online/proceedings/psb07/sridhar.pdf db/conf/psb/psb2007.html#SridharKR07