title: A new roentgenographic sign of hypoplastic left heart.
mesh_terms: D001013:Aorta, Thoracic / Q000002:abnormalities; D006332:Cardiomegaly / Q000151:congenital / Q000000981:diagnostic imaging; D005260:Female; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography