Osarenkhoe, OJ, OH Aiwuyo, and D Osaghae. 2023. “Congenital Heart Diseases: Pattern of Clinical Presentations in Children Less Than 2-Years of Age in a Pediatric Practice in South- South Nigeria”. Research Journal of Health Sciences 11 (4):327-35. https://rjhs.org/index.php/home/article/view/30.