title: [Extreme Fallot's tetralogy. Clinical study of 20 cases].
mesh_terms: D000328:Adult; D000368:Aged; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013771:Tetralogy of Fallot / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014672:Vectorcardiography
vernacular_title: Tetralogia de Fallot extrema. Estudio clínico de veinte casos.