Use of a digital database of cardiac auscultations to search for associations between auscultatory and echocardiographic abnormalities in children with congenital heart disease. J Health Inform Afr [Internet]. 2022 Jun. 19 [cited 2024 Apr. 27];8(1):1-8. Available from: https://www.jhia-online.org/index.php/jhia/article/view/315