Mann, S. ., A. . Kumar, S. K. . Singh, S. . Katyal, G. . Chopra, and S. K. . Varma. “Clinical Evaluation of Anemia in Geriatric Patients - A Cross Sectional Study Conducted at Tertiary Care Hospital”. National Journal of Community Medicine, vol. 5, no. 03, Sept. 2014, pp. 316-20, https://njcmindia.com/index.php/file/article/view/1403.