Sajjad, Z. B. ., Y. . Siddique, A. . Tariq, Q. . Suleman, and N. . Ashfaq. “Study On Pattern Of Obsessive Behaviors And Thoughts In A State Of Anxiety In Teenagers”. Journal of Bahria University Medical and Dental College, vol. 2, no. 1, Jan. 2012, pp. 29-33, https://jbumdc.bahria.edu.pk/index.php/ojs/article/view/31.