Effect of puerain on Apelin/APJ system in right ventricle of pulmonary hypertensive rats induced by hypoxia-hypercapnia Preventive Effects of Tetrandrine on Pulmonary Hypertension and Right Ventricular Hypertrophy in Rats Induced by Monocrotaline Effect of sesamin on pulmonary vascular remodeling in rats with monocrotaline-induced pulmonary hypertension