Evan E. Bolton, Yanli Wang, Paul A. Thiessen, Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry4: 217-241. DOI:10.1016/S1574-1400(08)00012-1.
Wang J, Simonavicius N, Wu X, Swaminath G, Reagan J, Tian H, Ling L (2006). „Kynurenic acid as a ligand for orphan G protein-coupled receptor GPR35”. J. Biol. Chem.281 (31): 22021–8. DOI:10.1074/jbc.M603503200. PMID16754668.
Wang J, Simonavicius N, Wu X, Swaminath G, Reagan J, Tian H, Ling L (2006). „Kynurenic acid as a ligand for orphan G protein-coupled receptor GPR35”. J. Biol. Chem.281 (31): 22021–8. DOI:10.1074/jbc.M603503200. PMID16754668.