%0 Journal Article %T Efficacy of long-term oral monotherapy and additional effect of inhaled iloprost in patients with severe idiopathic pulmonary arterial hypertension %A Pınar Önen, Z. %A Sayın, T. %A Akkoca Yıldız, Ö. %A Özdemir Kumbasar, Ö. %A Karabıyıkoğlu, G. %J The Anatolian Journal of Cardiology %D 2010 %V 10 %P 458-460 %R 10.5152/akd.2010.146