“Chronic Obstructive Pulmonary Disease and Heart Failure in Real Life: The Tip of the Iceberg in the Sea of Comorbidities. A Prospective Observational Study”. Monaldi Archives for Chest Disease 96, no. 1 (February 4, 2025). Accessed April 20, 2026. https://www.monaldi-archives.org/macd/article/view/3157.