B. Masoumi, R. Azizkhani, F. Heydari, M. Zamani, and M. Nasr Isfahani, “The Role of Cardiac Arrest Sonographic Exam (CASE) in Predicting the Outcome of Cardiopulmonary Resuscitation; a Cross-sectional Study: Cardiac Arrest Sonographic Exam”, Arch Acad Emerg Med, vol. 9, no. 1, p. e48, Jun. 2021.