1. Idiopathic right atrial enlargement;Ostovan;Asian Cardiovasc Thorac Ann,2013
2. Idiopathic dilatation of the right atrium diagnosed in utero [in Portuguese];Silva;Rev Port Cardiol,1992
3. Idiopathic familial right atrial dilatation [in German];Jenni;Schweiz Med Wochenschr,1981
4. Idiopathic enlargement of the right atrium;Pastor;Am J Cardiol,1961