Edberg, Delyan Stanishev, Toma Peevski Ashworth, and Sergeĭ Bikov Weiss. “Access to Healthcare and Mortality Rate Among Elderly People in Shumen, Bulgaria”. Journal of Medicine, Nursing & Public Health 6, no. 3 (October 5, 2023): 1–12. Accessed July 21, 2025. https://stratfordjournalpublishers.org/journals/index.php/Journal-of-Medicine-Nursing-P/article/view/1776.