1. Congenital atrial flutter: report of a case documented by intrauterine electrocardiogram;Blumenthal;Pediatrics,1968
2. Atrial flutter in infancy;Moller;J Pediatr,1969
3. Congenital atrial flutter and cardiac failure presenting as hydrops foetalis at birth;Van der Horst;S Afr Med J,1970
4. Idiopathic atrial flutter in infancy: a review of eight cases;Rowland;Pediatrics,1978
5. Fetal cardiac arrhythmias;Shenker;Obstet Gynecol Surv,1979