Susan UA, Nnena TP, Edewele OB. Prevalence of congenital heart diseases among primary school children in the Niger Delta Region of Nigeria, West Africa. J Cardiol Cardiovasc Med [Internet]. 2019 Sep. 26 [cited 2025 May 14];4(3):144-9. Available from: https://www.cardiologymedjournal.com/jccm/article/view/jccm-aid1056