Haryati, Haryati, et al. “Comparable Systemic Superoxide Dismutase Activity in Advanced Lung Cancer Patients With and Without Chronic Obstructive Pulmonary Disease”. Asian Pacific Journal of Cancer Care, vol. 11, no. 6, Nov. 2026, pp. 895-02, doi:10.31557/APJCC.2026.11.6.895.