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 Chemistry. 4: 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. PMID16754668. doi:10.1074/jbc.M603503200.
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. PMID16754668. doi:10.1074/jbc.M603503200.