%0 Journal Article %T Comparative effects of losartan and nifedipine therapy on exercise capacity, Doppler echocardiographic parameters and endothelin levels in patients with secondary pulmonary hypertension %A Savaş Bozbaş, Ş. %A Bozbaş, H. %A Atar, A. %A Ulubay, G. %A Öner Eyüboğlu, F. %J The Anatolian Journal of Cardiology %D 2010 %V 10 %P 43-49 %R