M. I. Khan, N. Waheed, S. Zeb, A. Ullah, A. Raza, and F. R. Khan, “ and unadjusted bivariable correlates in a retrospective observational cohort”., Pak. j. Cardio vas. int. (print/Online), vol. 6, no. 1, pp. 03–14, Jun. 2026.