Bur, R., D. Danukusumo, M. A. R. Putra, S. R. Talib, S. Pramuktini, N. Safanta, M. Gebrina, F. E. S. Dewi, A. B. Dharmala, and D. Megawulandari. 2026. “Comorbidities and Pregnancy Complications As Determinants of COVID‑19 Severity in Pregnant Women: A Retrospective Study at a National Maternal Referral Center”. Acta Medica Bulgarica 53 (1): 33-38. https://doi.org/10.2478/amb-2026-0041.