Wedzicha, Jadwiga A. “Management of Exacerbations of Chronic Obstructive Pulmonary Disease With a Focus on Comorbidities”. Italian Journal of Medicine 7, no. 2 (April 24, 2013): 84–87. Accessed May 4, 2024. https://www.italjmed.org/ijm/article/view/itjm.2013.84.