Rafia Shoukat, Saman Ahmad, Hafiz Muhammad Sajid Jehangir, Waqas Arshad, Zahid Hussain Shah, Tanveer Ahmad. Comparing Efficacy of Standard Vs Modified Valsalva Maneuver in Terminating Paroxysmal Supraventricular Tachycardia. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 May 6 [cited 2024 Dec. 4];17(04):170. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/4601