Anakwue, Raphael, and Angel-Mary Anakwue. “Atrial Septal Aneurysm in Sub-Saharan Africa: From an Asymptomatic Incidental Echocardiographic Finding to a Potential Cause of Cardio Embolic Stroke”. Annals of Clinical and Biomedical Research, vol. 2, no. 1, Feb. 2021, doi:10.4081/acbr.2021.101.