%0 Journal Article %T Decreased nitric oxide levels in the hippocampus may play a role in learning and memory deficits in ovariectomized rats treated by a high dose of estradiol %A Sadeghian, Reihaneh %A Fereidoni, Masoud %A Mohammad Soukhtanloo %A Hamid Azizi-Malekabadi %A Mahmoud Hosseini %J Arquivos de Neuro-Psiquiatria %@ 0004-282X %D 2012