RT Journal T1 THis month in archives of general psychiatry JF Archives of General Psychiatry JO Archives of General Psychiatry YR 2009 FD August 1 VO 66 IS 8 SP 808 OP 808 DO 10.1001/archgenpsychiatry.2009.90 UL http://dx.doi.org/10.1001/archgenpsychiatry.2009.90 AB In a detailed linkage disequilibrium–based association study of the 5′ part of NRG1 in a northern Swedish patient-control sample, Alaerts et alArticle discovered single-nucleotide polymorphisms and haplotypes associated with schizophrenia and a specific protective haplotype and a specific disease risk–causing haplotype. They conclude that NRG1 contributes to the susceptibility for schizophrenia in the northern Swedish population and as such provide additional evidence for NRG1 as an important schizophrenia risk gene.