Rampengan, Starry H., Budhi Setianto, Jimmy Posangi, Suzanna Immanuel, Judo Prihartono, Minarma Siagian, Harmani Kalim, Sirowanto Inneke, Murdani Abdullah, and Sarwono Waspadji. “Effect of Enhanced External Counterpulsation Therapy on Myeloperoxidase in Lowering Cardiovascular Events of Patients With Chronic Heart Failure”. Medical Journal of Indonesia 22, no. 3 (August 22, 2013): 152-60. Accessed May 20, 2022. https://mji.ui.ac.id/journal/index.php/mji/article/view/584.