[Echocardiography in diagnosis of atrial septal defects].
D004452:Echocardiography; D006321:Heart / Q000503:physiopathology; D006343:Heart Septal Defects / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006801:Humans
Ekhokardiografiia v diagnostike defekta mezhpredserdnoĭ peregorodki