Samimi Ardestani, Mehdi, Rozita Davari Ashtiani, Zahra Rezaei, Sasan Vasegh, and Shahrokh S Gudarzi. 2018. “Validation of Persian Version of PHQ-9 for Diagnosis of Major Depressive Episode in Psychiatric Wards in IRAN”. International Journal of Applied Behavioral Sciences 5 (2):1-8. https://doi.org/10.22037/ijabs.v5i2.21094.