Obu, D. C. (2020) “Superior Sternal Cleft – A Rare Congenital Anomaly Associated with Atrial Septal Defect”, Archives of Clinical and Medical Case Reports, 4(5), pp. 853–858. Available at: https://fortunejournals.org/ojs/index.php/acmcr/article/view/22390 (Accessed: 15 June 2026).