Tselebis, A.; Bratis, D.; Pachi, A.; Moussas, G.; Ilias, I.; Harikiopoulou, M.; Theodorakopoulou, E.; Dumitru, S.; Kosmas, E.; Vgontzas, A.; Siafakas, N.; Tzanakis, N. A Pulmonary Rehabilitation Program Reduces Levels of Anxiety and Depression in COPD Patients. Multidiscip Respir Med 2013, 8 (9). https://doi.org/10.4081/mrm.2013.539.