Reddy VM, Chandrashekar CR. Prevalence of mental and behavioural disorders in India: A meta-analysis. Indian Journal of Psychiatry, 1998; 40:149-157.
Sundquist K, Frank G, Sundquist J. Urbanisation and incidence of psychosis and depression: Follow-up study of 4.4 million women and men in Sweden. British Journal of Psychiatry, 2004; 184:293-298.
Baernholdt M, Yan G, Hinton I, et al. Quality of life in rural and urban adults 65 years and older: Findings from the National Health and Nutrition Examination survey. The Journal of Rural Health, 2012; 28:339-347.
Weeks WB, Kazis LE, Shen Y, et al. Differences in health-related quality of life in rural and urban veterans. American Journal of Public Health, 2004; 94:1762-1767.