Astghik Z. Pepoyan and  Elya S. Pepoyan,  Depression and Anxiety Levels in Armenian Crohn's Disease Patients.   journal   = {International Journal of Psychological and Behavioral Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2007, vol. 6(6). 357 - 359
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/1462.