Mohi Ud Din, A., Khan, Y. R., Bashir, A., & Ahmad, P. (2023). Prevalence of pulmonary arterial hypertension in children with down syndrome attending new 500 bedded paediatric hospital, Government Medical College, Srinagar. International Journal of Contemporary Pediatrics, 10(5), 710–715. https://doi.org/10.18203/2349-3291.ijcp20231148