%0 Journal Article %T The Reliability and Validity of Scale for the Assesment of The Negative Symstoms %A ERKOÇ, Ş. %A ARKONAÇ, O. %A ATAKLI, C. %A ÖZMEN, E. %A , %J Dusunen Adam Journal of Psychiatry and Neurological Sciences %D 1991 %V 4 %P 14-15 %R