Angst, J., Gamma, A., Rossler, W., Ajdacic, V. and Klein, D. N. (2009). Long-term depression versus episodic major depression: results from the prospective Zurich study of a community sample. Journal of Affective Disorder, 115(1-2): 112-21.
Brown RL, Turner RJ. (2010). Physical disability and depression. Journal of aging health, 22(7), 977- 1000.
Cajao, R., Pereira, C. A., Silva, J. R., Lourenço, J. P., Gil, N.P. and Colon, M. F. (2016).
Critical analysis on legal capacity of the mentally retarded: the Portuguese reality in the European context.
European Psychiatry, 33: 457-458.
Cebicci, H. and Alpaslan, M. (2015).
Foreign bodies ingested by a mentally retarded patient.
Turkish Journal of Emergency Medicine, 15(2): 57-85.
Crews, J. E. and Lollar, D. J. (2008).
The public health dimensions of disability. International Encyclopedia of Public Health,
Elsevier Inc.
Durand, G. and Plata, E. M. (2017).
The effects of psychopathic traits on fear of pain, anxiety, and stress.
Personality and Individual Differences, 119: 198-203.
Esbensen, A. J., Rojahn, J., Aman, M. G. and Ruedrich, S. (2003). The reliability and validity of an assessment instrument for anxiety, depression and mood among individuals with mental retardation. Journal of Autism and Developmental Disorders, (33): 617-629.
Fevang, S. K. E., Hysing, M., Markestad, T. and Sommerfelt, K. (2016). Mental health in children born extremely preterm without severe neurodevelopmental disabilities. Pediatrics, 137(4): 1-11.
Jenaabadi, H. (2014). The study and comparison of stress levels and coping strategies in parents of exceptional (mentally retarded, blind and deaf) and normal children in Zahedan. Social and Behavioral Sciences, 114: 197–202.
Matin, A., Yoosefi Looyeh, M., Afrooz, G. A. and Dezhkam, M. (2012).
The effect of group rational emotive behavior restructuring on mental health of parents of exceptional children.
Social and Behavioral Sciences, 46: 1872-1875.
Wilcockson, T. D. W., and Sanal, N. E. M. (2016).
Heavy cannabis use and attentional avoidance of anxiety-related stimuli.
Addictive Behavior Reports, 3(1): 38-42.