2-Creed F, Barsky A. A Systematic Review of the Epidemiology of Somatisation Disorder and Hypochondriasis. Journal of Psychosomatic Research, 2004, 56,p.391-408 https://doi.org/10.1016/S0022-3999(03)00622-6
3-Seyyed Mohammadi Y. Psychologic Pathology: Clinical Views about Psychologic Disorders. Tehran: Ravan Publications, 1st Ed. 2008. (in Persian).
4-Seligman M. Psycho Pathology.Tehran:Arasbaran Publications,2nd Ed. 2004.
5-Aghaiy A. Surveying the relationship between pessimism and optimism with mental health in Isfahan City Adolescence in 2006. Knowledge and Research in Psychology, Islamic Azad University of Isfahan, 33. 2006.(in Persian).
6-Elahi R. Comparison of hypochondria in single and married students. An MA thesis in Psychology, Abhar. 2009. (in Persian).
7-Rahimian E. The role of prediction of happiness, optimism, and the status of demographic in acting behaviors related to health. Science and medical university of Shiraz. 2017.(in Persian).
8- Mariuta T. Optimism-Pessimism Assessed and Self-reported Health Status 30 Years Later. Mayo Clinic Proceeding. 2012.
9- Soleimannnejad A. Death Phobia among Patients suffered from Hypochondria and Anxiety Disorders. Medical Journal of Uroomieh, Vol. 21, No. 22-Mayou, R. (2003). Somatoform Disorders in DSMV. Psychosomatics, 2010, Vol. 44, No.6,p.449-51.
10- Kalantari Kh. SEM in Socion-Economic Studies using LISREL and SIMPLIS. Tehran: Farhang Saba Publications,2nd Ed. 2014. (in Persian).
12- Guildman M. Oxsfor Sychiatrics. Tabriz: Zowghi Publications. 1990.
13- Stressele C, McKee G, Plantt E. Optimism Indicator of Psychological Health using psychological Assessment Wisely. Journal of Proceeding Assessment. 2010.
14- Ghorbani Z. Surveying the relationship between Personality Traits and level of Parents' Optimism with their Youths' Optimism. An MA thesis, Tehran: Allameh University. 2009. (in Persian).