Reivana, Shazni Nadia, Kartika Kaban, Farida Hanum Margolang, Husnah Husnah, and Sakdiah Sakdiah. 2026. “The Prevelance of Heart Disease at Rantau Prapat Hospital, North Sumatra”. Asian Journal of Natural Sciences 5 (1):1-10. https://doi.org/10.55927/ajns.v5i1.1.