TI - Efficacy of long-term oral monotherapy and additional effect of inhaled iloprost in patients with severe idiopathic pulmonary arterial hypertension AU - Pınar Önen, Z. AU - Sayın, T. AU - Akkoca Yıldız, Ö. AU - Özdemir Kumbasar, Ö. AU - Karabıyıkoğlu, G. SO - The Anatolian Journal of Cardiology 2010;10:458-460. DO - 10.5152/akd.2010.146