[On the so-called azygos principle].
D054087:Atrial Septum; D001401:Azygos Vein; D006325:Heart Atria; D006330:Heart Defects, Congenital; D006335:Heart Injuries; D006346:Heart Septum; D006801:Humans
AZYGOS VEIN; HEART DEFECTS, CONGENITAL; HEART INJURIES; HEART SEPTUM ATRIAL