Bruck, J., Ebenhoeh, O., & Heinrich, R. (2006). Patterns of interactions of reaction
pairs in metabolic networks. Genome Informatics, 17(1),
208-218. Retrieved from http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17503370.