A. Raptoulis

Spontaneous closure of atrial septal defect with cardiac failure in infancy.

A. Levin, M. A. Engle, A. Giardina, 1979, Chest.

Atrial flutter and atrial fibrillation associated with Wolff-Parkinson-White syndrome in childhood

G. Wolff, A. Pickoff, H. Gelband, 1980, Pediatric Cardiology.