Alkafi, Mhd Ishan, and Abdul Basit Lubis , trans. “Emergency Nursing Care for Mrs. R With Respiratory System Impairment Due to Chronic Obstructive Pulmonary Disease (COPD) in the ICU of Vita Insani Hospital, Pematangsiantar City”. World Health Digital Journal 2, no. 3 (July 30, 2026): 220–227. Accessed October 10, 2026. https://wolgitj.science.web.id/wolgitj/article/view/86.