Okutan  O, Yıldızeli  B, Ursavaş Nihal T, Ayten  Ö, Öztutgan  T, Demirer  E, et al. The role of pulmonary thromboendarterectomy in management of chronic thromboembolic pulmonary hypertension: a case report. Turk Gogus Kalp Dama 2013;21:1129-1133