Siddique, Md Abu. “Is Enhanced External Counterpulsation (EECP) A- ‘Last Resort’ Treatment of Refractory Angina?”. University Heart Journal 5, no. 1 (August 18, 2009): 1–2. Accessed November 22, 2024. https://banglajol.info/index.php/UHJ/article/view/3431.