TY - JOUR TI - Phosphodiesterase type 5 inhibitors in the treatment of pulmonary arterial hypertension AU - Kılıçkesmez, K. AU - Serdar Küçükoğlu, M. JO - The Anatolian Journal of Cardiology PY - 2010 VL - 10 SP - 16 EP - 18 DO - 10.5152/akd.2010.125 ER -