Purwowiyoto, Sidhi Laksono, and Steven Philip Surya. “A Case of Malignant Course of Right Coronary Artery: Frequent Angina in Young Person”. Cardiovascular and Cardiometabolic Journal (CCJ) 2, no. 2 (September 30, 2021): 90–94. Accessed April 16, 2025. https://e-journal.unair.ac.id/CCJ/article/view/25466.