Singh, S. ., R. . Tiwari, N. . Banerjee, and A. . Prakash. “Agreement Between Morbidities Patterns Rendered By Questionnaire Based Survey and Verification by Medical Officer in a Cohort-Based Long Term Epidemiological Study”. National Journal of Community Medicine, vol. 10, no. 02, Feb. 2019, pp. 69-74, https://njcmindia.com/index.php/file/article/view/447.