Vitale, C., V. Conti, A. Maglio, G. Pelaia, A. Molino, and A. Vatrella. 2017. “Chronic Obstructive Pulmonary Disease and Heart Failure: Common Diseases of the Elderly, Frequent Non-Recognition and the Value of Specialist Referral”. JOURNAL OF GERONTOLOGY AND GERIATRICS 65 (03 Special), 198-205. https://www.jgerontology-geriatrics.com/article/view/142.