Y. Leonard, M. Marras, G. Calcaterra, and P. P. Bassareo, “Association between atrial septal abnormalities (patent foramen ovale, atrial septal defect, interatrial septal aneurysm) and cryptogenic stroke in children”, J Pediatr Neonat Individual Med, vol. 10, no. 1, p. e100154, Mar. 2021.