title: [Contrast echocardiography in the diagnosis of secundum atrial septal defects].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography / Q000379:methods; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged
vernacular_title: Kontrastna ehokardiografija u dijagnostici defekta pretkomorske pregrade tipa sekundum.