Medical-Surgical Nursing Care for Mr. S with Respiratory System Disorders and Chronic Obstructive Pulmonary Disease (COPD)at Vita Insani Hospital Pematangsiantar. JKF [Internet]. 2026 Oct. 30 [cited 2026 Oct. 30];9(1):52-9. Available from: https://ejournal.medistra.ac.id/index.php/JKF/article/view/3808