TY - JOUR TI - Comparative effects of losartan and nifedipine therapy on exercise capacity, Doppler echocardiographic parameters and endothelin levels in patients with secondary pulmonary hypertension AU - Savaş Bozbaş, Ş. AU - Bozbaş, H. AU - Atar, A. AU - Ulubay, G. AU - Öner Eyüboğlu, F. JO - The Anatolian Journal of Cardiology PY - 2010 VL - 10 SP - 43 EP - 49 DO - ER -