Pulmonary artery dilatation in different causes of pulmonary hypertension. - Xi, Qunying; Liu, Zhihong; Xiong, Changming; Luo, Qin; Zhao, Zhihui; Zhao, Qing; Yang, Tao; Zeng, Qixian; Li, Pingwei; Qiu, Luwen (Pulmonary Circulation, 2023)