1                !"#$ % #&’( !)!& ’# * % (# +’ , % & $ - % ’# #)( , .’! +(!/#!$"% ’.$" 0 )!.!(% ’#$($ 0 1’#’."% ".11’#’." ’2#’$#"% +$$% .’!% #" 1 MD, PhD. Department of Pharmacology 2 Assoc. Prof. Department of Pharmacology 3 Prof. Department of Pharmacology 4 MD, PhD. Department of Pharmacology        ##()!( ’$1#: Ipek Komsuoglu Celikyurt, MD, PhD ))#3 Kocaeli University Faculty of Medicine Dept of Pharmacology, 41380 Umuttepe Campus, Kocaeli / Turkey 3 + (90) 262 303 71 02 ’43 + (90) 262 303 70 03 ’!: ikomsu@hotmail.com