Alchanatis, M Tourkohoriti, G Kosmas, EN Panoutsopoulos, G and Kakouros, S Papadima, K Gaga, M Jordanoglou, JB, Evidence for left ventricular dysfunction in patients with obstructive sleep apnoea syndrome, European Respiratory Journal, (20), 1239-1245, 2002, EUROPEAN RESPIRATORY SOC JOURNALS LTD, 0903-1936, 1399-3003