Rafia Shoukat, Saman Ahmad, Hafiz Muhammad Sajid Jehangir, Waqas Arshad, Zahid Hussain Shah, Tanveer Ahmad 2023. Comparing Efficacy of Standard Vs Modified Valsalva Maneuver in Terminating Paroxysmal Supraventricular Tachycardia. Pakistan Journal of Medical & Health Sciences. 17, 04 (May 2023), 170. DOI:https://doi.org/10.53350/pjmhs2023174170.