Cahyani, M. B. S., A. K. R. Purba, A. Wihandono, and S. Purwaningsih. “Association Between Comorbidities and Mortality With Survival Analysis in Stage IV Breast Cancer Patients at Dr. Soetomo General Hospital”. Jurnal MedScientiae, vol. 5, no. 1, Apr. 2026, doi:10.36452/jmedscientiae.v5i1.4158.