Achmad, Aziz, Zainal Safri, Teuku Bob Haykal, Abdullah Afif Siregar, Nizam Zikri Akbar, Tengku Winda Ardini, Cut Aryfa Andra, and Anggia Chairuddin Lubis. 2024. “Relationship Between Neutrophil-Lymphocyte Ratio Value And Severity of Mitral Stenosis Due to Rheumatic Heart Disease in Outpatients at H. Adam Malik General Hospital Medan”. Journal of Society Medicine 3 (12):379-88. https://doi.org/10.71197/jsocmed.v3i12.183.