Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Roberto Badagliacca and Silvia Papa and Gabriele Valli and Beatrice Pezzuto and Roberto Poscia and Giovanna Manzi and Elisa Giannetta and Susanna Sciomer and Paolo Palange and Robert Naeije and Francesco Fedele and Carmine Dario Vizza,Echocardiography Combined With Cardiopulmonary Exercise Testing for the Prediction of Outcome in Idiopathic Pulmonary Arterial Hypertension,Chest,0012-3692,Elsevier BV,2016-12,150,6,1313-1322,https://cir.nii.ac.jp/crid/1363951795311526144,https://doi.org/10.1016/j.chest.2016.07.036