Atrial septal defects in flying personnel.
D000337:Aerospace Medicine; D054087:Atrial Septum; D006330:Heart Defects, Congenital; D006344:Heart Septal Defects, Atrial; D006346:Heart Septum; D006801:Humans
AVIATION MEDICINE; HEART DEFECTS, CONGENITAL; HEART SEPTUM ATRIAL