K. Azim, A. M. Sheikh, M. M. Khokhar, A. Kanwal, T. Akbar, and S. Masood, “ANXIETY AND DEPRESSION IN CHILDREN AND ADOLESCENTS WITH CONGENITAL HEART DISEASE BEFORE AND AFTER SURGICAL INTERVENTION PERIOD”, PAFMJ, vol. 71, no. 6, pp. 2049–52, Dec. 2021.