TY - GEN AU - Liu,Qian-Qian AU - Jing,Zhi-Cheng TI - The limits of oral therapy in pulmonary arterial hypertension management SN - 1176-6336 PY - 2015///1209 N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.2147/TCRM.S49026 ER -