SOFIA, Sefri N.; BAHRUDIN, Udin; UDDIN, Ilham; SOBIRIN, Muhammad A.; SETIAWATI, Erna; HARDININGSIH, Galuh; TJANDRA, Kevin C.; LIMIJADI, Edward KS. 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, [S. l.], v. 5, n. 1, p. e1301, 2025. DOI: 10.52225/narra.v5i1.1301. Disponível em: https://www.narraj.org/main/article/view/1301. Acesso em: 2 apr. 2026.