Ten selected references

Aronsson F, Karlsson H, Ljunggren H-G and Kristensson K. Persistence of the influenza A/WSN/33 virus RNA at midbrain levels of immunodefective mice. J. Neurovirol. 7, 117-124, 2001.
 
Karlsson H, Bachmann S, Schröder J, McArthur J, Torrey EF and Yolken RH. Retroviral RNA identified in the cerebrospinal fluids and brains of individuals with schizophrenia. Proc. Natl. Acad. Sci. U.S.A., 98, 4634-4639, 2001.
 
Aronsson F, Lannebo C, Paucar M, Brask J, Kristensson K and Karlsson H. Persistence of viral RNA in the brain of offspring to mice infected with influenza A/WSN/33 virus during pregnancy. J. Neurovirol. 8, 353-7, 2002
 
Karlsson H, Guthenberg C, von Döbeln U, Kristensson K. Extraction of RNA from PKU filters after long-term storage. Clin. Chem. 49, 979-81, 2003
 
Karlsson H, Schröder J, Bachmann S, Bottmer C, Yolken RH. HERV-W related RNA detected in plasma from individuals with recent onset schizophrenia or schizoaffective disorder. Mol. Psychiatry. 9, 12-3, 2004

Beraki S, Aronsson F, Karlsson H, Ögren SO and Kristensson K. Influenza A virus infection causes alterations in expression of synaptic regulatory genes combined with changes in cognitive and emotional behaviors in mice. Mol. Psychiatry 10, 299-308, 2005.

Asp L, Beraki S, Aronsson F, Roswall L, Ögren SO, Kristensson K, Karlsson H. Gene expression changes in brains of mice exposed to a maternal virus infection. Neuroreport 16, 1111-1115, 2005.
 
Yolken RH, Karlsson H, Yee F, Johnston-Wilson NL and Torrey EF. Endogenous Retroviruses and Schizophrenia. Brain Res. Brain Res. Rev. 31, 193-99, 2000
 
Yolken RH, Karlsson H, Bayer T, Johnston-Wilson N, Yee and Torrey F. Retroviruses, Genes and Schizophrenia. Clin. Neuroscience Res. 1, 164-69, 2001.
 
Karlsson H. Viruses and Schizophrenia, connection or coincidence. Neuroreport, 14, 535-42, 2003.