[1]
R. Zafar, M. A. A. Saleem, A. K. Niazi, A. Ahmad, A. Naseer, and D. H. Khan, “A Retrospective Chart Review of the Head-Up Tilt Table Test at a Tertiary Care University Hospital”, Pak Heart J, vol. 56, no. 4, pp. 256–260, Dec. 2023.