Safety and efficacy of balloon pulmonary angioplasty in a Portuguese pulmonary hypertension expert center: A step in the right direction Graça Castro;

Balloon pulmonary angioplasty ¿ welcome to chronic thromboembolic pulmonary hypertension treatment Nick H. Kim;

Outcomes monitoring in pulmonary endarterectomy: Paving the road to success Maria José Loureiro;