A. M. Khokhar, D. Muhammad Mohsin Ali, S. M. Mahmood, and M. M. Fareed, “THE Epidemology of down’s syndrome among congential heart disease children in Faisalabad: Epidemology of down’s syndrome among congential heart disease children in Faisalabad”, ejvcbp, vol. 1, no. 3, pp. 30-42, Sep. 2021.