Efficacy of oral treprostinil for treating pulmonary arterial hypertension: a systematic review and meta-analysis - Xiao, Lianghua; Feng, Xinwei; Zhang, Huahua; Zhong, Lin; Song, Xiaobing; Wang, Fangfang (Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej, 2024)