BHATTACHARYYA, K. K. Health and associated social problems of elderly population in an urban setting: a study from Kolkata, India. International Journal Of Community Medicine And Public Health, [S. l.], v. 4, n. 12, p. 4406–4410, 2017. DOI: 10.18203/2394-6040.ijcmph20175312. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/2184. Acesso em: 13 nov. 2025.