Singh, Ran, Ashish Chauhan, Rajesh Vaidya, Manvinder Pal Singh Marwaha, and Bhupinder Kaur Anand. 2019. “Evaluation of Cases of Syncope With Head- Up Tilt Test (HUTT)”. Asian Journal of Medical Research 7 (4), ME13-ME15. https://aijournals.com/index.php/ajmr/article/view/388.