Investigating The Effects Of Tadalafil And Bosentan On The Pulmonary Arterial Hypertension, Cardiac Output And Prognosis Of Mechanical Ventilation In Chronic Obstructive Pulmonary Disease Patients Under Mechanical Ventilation. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, n. 4, p. 1908–1913, 2022. DOI: 10.47750/pnr.2022.13.04.261. Disponível em: https://pnrjournal.com/index.php/home/article/view/9523.. Acesso em: 5 jun. 2026.