Hugh A. Cassiere, Stanley John, and Todd Goldstein. 2024. “Hospitalized Coronavirus Disease-2019 Patients’ Conversion of Bi-Level Positive Airway Pressure Machines into Ventilators: Emergency Use Procedure”. Research and Practice in Anesthesiology 8 (1):5-7. https://openventio.us/index.php/RPA/article/view/1839.