Makmun, Lukman H., Nurhay Abdurachman, Idrus Alwi, Dedi Afandi, Bambang B. Siswanto, Hananto Andriantoro, Endang Ratnaningsih, and Hari Utomo. “A Randomized Comparative Trial of First-Dose Response to Angiotensin- Converting Enzyme Perindopril and Captopril in Indonesian Heart Failure Patients”. Medical Journal of Indonesia 11, no. 1 (February 1, 2002): 19-23. Accessed October 28, 2021. https://mji.ui.ac.id/journal/index.php/mji/article/view/45.