1.
Manullang S, Sinaga MS, Sinambela PNJM, Nadya F. SURVIVAL ANALYSIS OF CORONARY HEART DISEASE PATIENTS USING THE KAPLAN-MEIER METHOD AND COX PROPORTIONAL HAZARDS REGRESSION (BRESLOW METHOD). BAREKENG: J. Math. & App. [Internet]. 8Apr.2026 [cited 9Apr.2026];20(3):2213-28. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/21214