Sehgal, P. K., and Dinesh Garg. “Patterns of Voluntary and Replacement Blood Donors in a Tertiary Care Center: A Retrospective Study”. International Journal of Research in Medical Sciences 5, no. 8 (July 26, 2017): 3368–3371. Accessed October 15, 2025. https://www.msjonline.org/index.php/ijrms/article/view/3681.