Raveendran, Nirmal S., Abinaya Ravi, Rock Britto, Saranya Sankar, Sharathkumar Ramachandran, Santhosh Balamurugan, and Bharathwaj Panchanathan. 2020. “Prevalence of Depression Among the Elderly in Urban Area of Perambalur District”. International Journal Of Community Medicine And Public Health 7 (2):560-64. https://doi.org/10.18203/2394-6040.ijcmph20200427.