Ahmed, Shaik Nazeer. “A Comparative Study of Pulse Oximetry Screening and Clinical Examination in Diagnosis of Congenital Heart Disease”. Asian Journal of Clinical Pediatrics and Neonatology 7, no. 2 (May 16, 2019): 1-5. Accessed July 22, 2024. https://aijournals.com/index.php/ajcpn/article/view/637.