Relationship between plasma adiponectin, exercise capacity, N-Terminal Pro BNP levels, and immune function in patients with chronic heart failure - Laoutaris, I; Dritsas, A; Mavrogeni, S; Vasiliades, IK; Manginas, A.; Kallistratos, MS; Degiannis, D.; Chaidaroglou, A.; Alivizatos, PA; Cokkinos, D.V. (EUROPEAN HEART JOURNAL, 2007)