Sofia SN, Bahrudin U, Uddin I, Sobirin MA, Setiawati E, Hardiningsih G, Tjandra KC, Limijadi EK. Role of phosphodiesterase-3 inhibitor in cardiorespiratory fitness and functional class of patients with pulmonary hypertension: A randomized, double-blind, placebo-controlled trial. Narra J [Internet]. 2025Jan.30 [cited 2025Aug.11];5(1):e1301. Available from: https://narraj.org/main/article/view/1301