ASHRAF, HIRA, TURAB FATIMA, IFRA ASHRAF, and SADAF MAJEED. “Effectiveness of Modified Valsalva Maneuver by Using Wide Bore Syringe for Emergency Treatment of Supraventricular Tachycardias: Findings from Pakistan”. Pakistan Journal of Medical Sciences 39, no. 3 (March 25, 2023). Accessed March 28, 2024. https://pjms.org.pk/index.php/pjms/article/view/6725.