OUTCOME OF PREOPERATIVE SILDENAFIL USE IN PATIENTS UNDERGOING MVR WITH SEVERE PULMONARY ARTERY HYPERTENSION. The Research of Medical Science Review, [S. l.], v. 3, n. 3, p. 10–17, 2025. Disponível em: http://thermsr.com/index.php/Journal/article/view/696.. Acesso em: 2 apr. 2025.