Prevalence of Preoperative Pulmonary Artery Hypertension among Patients Undergoing Mitral Valve Surgery and its Association with In-Hospital Outcomes. mfm [Internet]. 2024 Apr. 7 [cited 2025 Nov. 17];32(9). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/1503