Maaz QM, Jan FU, Khan M, Khan SM, ayesha, ELAHI S, et al. CO-OCCURRING CONGENITAL HEART DEFECTS IN TRISOMY-21/ DOWN SYNDROME: A CROSS-SECTIONAL STUDY IN A TERTIARY CARE HOSPITAL, PAKISTAN. JMS [Internet]. 2025 Oct. 29 [cited 2026 Jan. 31];33(3). Available from: https://jmedsci.com/index.php/Jmedsci/article/view/1879