RETRACTED: The protective mechanism of progesterone on blood-brain barrier in cerebral ischemia in rats

This article has been retracted at the request of the Editor-in-Chief and Author. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).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.