[1]
K. M. Sultan, M. F. Hussain, and A. A. Ismael, “The relation of Echocardiographic findings to pulmonary Function tests in patients with Chronic obstructive Pulmonary Disease”, J Fac Med Baghdad, vol. 51, no. 1, pp. 17–22, Apr. 2009, doi: 10.32007/jfacmedbagdad.5111160.