title: Contrast echocardiography by protein-carbonate foam.
mesh_terms: D002254:Carbonates; D003287:Contrast Media; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis; D004452:Echocardiography / Q000379:methods*; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006343:Heart Septal Defects / Q000175:diagnosis; D006801:Humans; D011506:Proteins; D011666:Pulmonary Valve Stenosis / Q000175:diagnosis
chemical_list: D002254:Carbonates; D003287:Contrast Media; D011506:Proteins