Bakht Umar Khan, Fayaz Ahmed Memon, Muhammad Shehram, Muhammad Shahid, Fahad Khalid, Nayyar Arif 2022. Pericardial Effusionin Patients Admitted in Emergency Department: Frequency and Causes. Pakistan Journal of Medical & Health Sciences. 16, 05 (Aug. 2022), 1450. DOI:https://doi.org/10.53350/pjmhs221651450.