To Compare the Effect of Oxygen Therapy Via Face Mask With Bi-Level Positive Airway Pressure Ventilation (Bipap) In Managing Patients with Acute Cardiogenic Pulmonary Edema in Al-Nafees Medical College and Hospital, Islamabad. mfm. 2024;34(2). Accessed December 26, 2025. https://medicalforummonthly.com/index.php/mfm/article/view/88