Lymphangiogenesis in Chronic Obstructive Pulmonary Disease (COPD): New Insights in Airways Remodeling - Hardavella, Georgia; Tzortzaki, Eleni; Siozopoulou, Vasiliki; Galanis, Petros; Vlachaki, Eleni; Stefanou, Dmitrios; Siafakas, Nikolaos (Chest, 2010)