Puri, S. S., S. Gautam, and P. Singhal. “Correlation of Iron Deficiency Anaemia With HAEMOGLOBIN A1C At A Tertiary Care Teaching Hospital In Uttar Pradesh”. 2021. International Journal of Health and Clinical Research, vol. 4, no. 4, Mar. 2021, pp. 234-40, https://ijhcr.com/index.php/ijhcr/article/view/1015.