Left ventricular diastolic dysfunction in idiopathic pulmonary fibrosis: a tissue Doppler echocardiographic [corrected] study. by Papadopoulos, C, Pitsiou, G, Karamitsos, T, Karvounis, H, Kontakiotis, T, Giannakoulas, G, Efthimiadis, G, Argyropoulou, P, Parharidis, G, Bouros, D