“Death Anxiety and Cyberchondria in Patients With Chronic Obstructive Pulmonary Disease: A Cross-Sectional Study”. Colombia Medica 56, no. 3 (September 30, 2025): e2007027. Accessed March 13, 2026. https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/7027.