Retraction notice to “The protective mechanism of progesterone on blood-brain barrier in cerebral ischemia in rats” Brain Research Bulletin 79 (2009) 426–430

This article has been retracted at the request of the authors and/or the Editor-in-Chief. Reason: Some data from this article was duplicated from a paper that had already appeared in Inflamm. Res. , 58 (2009) 619–624, doi:10.1007/s00011-009-0032-8 . The authors would like to apologize for this administrative error on their part.