Journal Article
Alptekin, Köksal, Halis Ulas, Berna Binnur Akdede, Mevhibe Tümüklü, and Yildiz Akvardar.
"Prevalence and risk factors of psychotic symptoms: in the city of Izmir, Turkey." Social psychiatry and psychiatric epidemiology 44, no. 11 (2009): 905-910.