Ishak, Muhammad Raihan, Andrico Napolin Lumban Tobing, and Putri Handayani. 2026. “Coronary Heart Disease Risk Factors: Family History, Smoking, and Diet Among Patients at Royal Prima General Hospital”. Buletin Kedokteran & Kesehatan Prima 5 (1):84-91. https://doi.org/10.34012/bkkp.v5i1.8113.