S. A., T., S. A. K., and S. A. Neloopant. “Prevalence and Factors Associated With Depression Among the Elderly in Rural Areas of Kannur, North Kerala, India: A Cross Sectional Study”. International Journal Of Community Medicine And Public Health, vol. 3, no. 8, Jan. 2017, pp. 1986-91, doi:10.18203/2394-6040.ijcmph20162184.