TY - JOUR TI - Six-minute walk test in pulmonary arterial hypertension AU - Demir, R. AU - Serdar Küçükoğlu, M. JO - The Anatolian Journal of Cardiology PY - 2015 VL - 15 SP - 249 EP - 254 DO - 10.5152/akd.2015.5834 ER -