Chowdari KV, Bamne M, Wood J, Talkowski ME, Mirnics K, Levitt P, Lewis DA, Nimgaonkar VL. Linkage Disequilibrium Patterns and Functional Analysis of RGS4 Polymorphisms in Relation to Schizophrenia. Schizophrenia Bulletin. 2007 Oct 27;34(1):118–26. doi: 10.1093/schbul/sbm042.