Shahidi S, Arjipour M, Komaki A, Mahmoodi M. Differential Effects of Sildenafil (Viagra) on Processing Steps of Spatial Learning and Memory in Rat. Avicenna J Neuro Psycho Physiology 2014; 1 (1) :20-25 URL: http://ajnpp.umsha.ac.ir/article-1-28-en.html
1- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, IR Iran , siamakshahidi@yahoo.com 2- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, IR Iran 3- Department of Biology, Islamic Azad University, Hamadan Branch, Hamadan, IR Iran