1. Incidence of congenital heart disease in children born to residents of Olmsted County, Minnesota, 1950–1969;Feldt;Mayo Clin Proc,1971
2. Atrial septal defects in infants;Nakamura;Pediatrics,1964
3. Atrial septal defect: Ostium secundum, ostium primum and atrioventricularis communis (common AV canal);Keith,1978
4. Nadas’ Pediatric Cardiology;Fyler,1992
5. Incidence and size of patent foramen ovale during the first decades of life: An autopsy study of 965 normal hearts;Hagen;Mayo Clin Proc,1984