Nazar Z, Shaheen R, Akhtar J, Ahmad M, Irfan M, Sajjad R, Farooq S. PRESENCE AND SEVERITY OF DEPRESSIVE SYMPTOMS IN SCHIZOPHRENIA. J Postgrad Med Inst [Internet]. 2011 Aug. 13 [cited 2024 Nov. 21];22(2). Available from: https://jpmi.org.pk/index.php/jpmi/article/view/233