Leonard, Y.; Marras, M.; Calcaterra, G.; Bassareo, P. P. Association Between Atrial Septal Abnormalities (patent Foramen Ovale, Atrial Septal Defect, Interatrial Septal Aneurysm) and Cryptogenic Stroke in Children. J Pediatr Neonat Individual Med 2021, 10, e100154.