“The Economic Burden of Cardiovascular Diseases in Yemen : An example of annual direct costs from the Cardiac Center–Althawra Teaching General Hospital- Sana’a” (2023) HADHRAMOUT JOURNAL OF MEDICAL SCIENCES, 3(1). Available at: https://hu.edu.ye/hu-publications/journals/index.php/hujms/article/view/202 (Accessed: 23 July 2026).