Shruti Chauhan, Sangeeta Pahuja, Shubham Sharma, and Deeksha Singh. “Analysis of Causes and Frequency of Blood Donor Deferral in a Tertiary Centre in North India – An Insight Into The Regional Deferral Pattern”. International Journal of Health and Clinical Research, vol. 5, no. 3, Jan. 2022, pp. 627-32, https://ijhcr.com/index.php/ijhcr/article/view/4563.