1. Wittchen HU, Zhao S, Kessler RC, Eaton WW. DSMIII-R generalized anxiety disorder in the national comorbidity survey. Arch Gen Psychiatry 1994; 51: 355-64.
2. Kessler RC, Walters EE, Wittchen HU. Epidemiology. In: Heimberg RG, Turk RG, Mennin DS. (editors). Generalized anxiety disorder: Advances in research and practice. New York: Guilford; 2004: 29-50.
3. Dugas MJ, Brillon P, Savard P, Turcotte J, Gaudet A, Ladouceur R, et al. A randomized clinical trial of cognitive-behavioral therapy and applied relaxation for adults with generalized anxiety disorder. Behav Ther 2010; 41: 46-58.
4. Joormann J, Stober J. Somatic symptoms of generalized anxiety disorder for the DSM-IV: Associations with pathological worry and depression symptoms in a nonclinical sample. J Anxiety Disord 1999; 13(5): 491-503.
5. Brown TA, Barlow DH, Liebowitz MR. The empirical basis of generalized anxiety disorder. Am J Psychiatry 1994; 151: 1272-80.
6. Behar E
, DiMarco ID
, Hekler EB,
Current theoretical models of generalized anxiety disorder (GAD): Conceptual review and treatment implications. J Anxiety Disord
2009; 23: 1011-23.
7. Hayes SA, Orsillo SM, Roemer L. Changes in proposed mechanisms of action during an acceptance-based behavior therapy for generalized anxiety disorder. Behav Res Ther 2010; 48: 238-45.
8. First MB, Gibbon M, Spitzer RL, Williams JBW, Benjamin L. Structural clinical interview for DSM-IV axis I disorder (SCID-I). Clinical version. Washington, DC: American Psychiatric Association; 1997: 100-250.
9. Groth-Marnat G. Handbook of psychological assessment. 4th ed. Hoboken, New Jersey: John Willey and Sons; 2003: 750-860.
10. Sharifi V, Asadi SM, Mohammadi MR, Amini Homayoun KH, Semnani Y, Shabanikia A, et al. Reliability and feasibility of the Persian version of the structured diagnostic interview for DSM-IV (SCID). Adv Cog Sciences 2004; 6 (1-2): 10-22.
11. Bakhtiari M. [Mental disorders in patients with body dysmorphic disorder]. MS. Dissertation. Tehran: Iran University of Medical Sciences, 2000: 15-30. (Persian)
12. Gibbon M, Spitzer RL. Structured clinical interview for DSM-IV axis II personality disorders: SCID-II. Washington, DC: American Psychiatric Association; 1997: 210-70.
13. Spitzer RL, Kroenke K, Williams JBW, Löwe B. A brief measure for assessing generalized anxiety disorder. Medicine 2006; 166: 1092-7.
14. Swinson RP. The GAD-7 scale was accurate for diagnosing generalized anxiety disorder. Evid Based Med 2006; 11: 184.
15. Ruiz MA, Zamorano E, García-Campayo J, Pardo A, Freire O, Rejas J. Validity of the GAD-7 scale as an outcome measure of disability in patients with generalized anxiety disorders in primary care. J Affect Disord 2011; 128: 277-86.
16. Meyer TJ, Miller ML, Metzger RL, Borkovec TD. Development and validation of the Penn State Worry Questionnaire. Behav Res Ther 1990; 28: 487-95.
17. Shirinzadeh Dastgerdi S. [Comparing metacognition beliefs and responsibility between patients with obsessive- compulsive disorder, generalized anxiety disorder and normal people]. MA. Dissertation. Shiraz: Shiraz University, 2006: 22-35. (Persian)
18. Roemer L, Orsillo SM. An acceptance based behavior therapy for generalized anxiety disorder. 2009.
19. O¨st LG. Applied relaxation: Description of a coping technique and review of controlled studies. Behav Res Ther 1987; 25(5): 397-409.
20. Roemer L, Orsillo SM. An acceptance- based behavior therapy for generalized anxiety disorder: In: Orsillo SM, Roemer L. (editors). Acceptance and mindfulness-based approaches to anxiety. Conceptualization and treatment. New York: Springer; 2005: 213-40.
21. Roemer L, Orsillo SM. An open trial of an acceptance-based behavior therapy for generalized anxiety disorder. Behav Ther 2007; 38: 72-85.
22. Roemer L, Orsillo SM. Mindfulness and acceptance-based behavioral therapies in practice. New York: Guilford; 2009: 210-44.
23. Borkovec TD, Sharpless B. Generalized anxiety disorder: Bringing cognitive-behavioral therapy into the valued present. In: Hayes SC, Follette VM, Linehan MM. (editors). Mindfulness and acceptance: Expanding the cognitive-behavioral tradition (pp. 209–242). New York: Guilford; 2004.
24. Kabat-Zinn J. Coming to our senses: Healing ourselves and the world through mindfulness. New York: Hyperion; 2005; 155-170.
25. Hayes-Skelton SA, Usmani A, Lee JK, Roemer L, Orsillo SM. A fresh look at potential mechanisms of change in applied relaxation for generalized anxiety disorder: A case series. Cogn Behav Pract 2012; 19: 451-62.