Rauf, Muhammad Atif, Azmat Hayat, Muhammad Shabbir, Aysha Siddiqa, and Sajida Parveen. “DURATION OF HEAD UP TILT TEST FOR EVALUATION OF VASOVAGAL SYNCOPE”. Pakistan Armed Forces Medical Journal 69, no. Suppl-3 (November 29, 2019): S375–78. Accessed December 4, 2024. https://pafmj.org/PAFMJ/article/view/3545.