Areiba Haider, Sarah Khan, Sania Asif, Raafea Tafweez. 2022. “Paternal Age and Its Relation With Congenital Cardiac Defects in Down’s Syndrome at Children Hospital & ICH, Lahore”. Pakistan Journal of Medical & Health Sciences 16 (07):26. https://doi.org/10.53350/pjmhs2216726.