title: Radioisotopes and cross-sectional ultrasound in congenital heart disease.
mesh_terms: D002648:Child; D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D011877:Radionuclide Imaging; D013667:Technetium; D014188:Transposition of Great Vessels / Q000175:diagnosis*; D014286:Trilogy of Fallot / Q000175:diagnosis
chemical_list: D013667:Technetium