Achmad, A.; Safri, Z.; Haykal, T. B.; Siregar, A. A.; Akbar, N. Z.; Ardini, T. W.; Andra, C. A.; Lubis, A. C. 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. JSocMed 2024, 3, 379-388.