%0 Journal Article %A Pourshanazari, A. A. %A Alaei, H. %A Rafati, A. %T Effects of Electrical Stimulation of Nucleus Raphe Dorsalis on Initiation of Morphine Self-Administration in Rats %D 2000 %J Med J Islamic World Acad Sci %P 63-67 %V 13 %N 2 %R %U https://dx.doi.org/