title: Clinical appraisal of an experimental converging collimator.
mesh_terms: D003965:Diaphragmatic Eventration / Q000175:diagnosis; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010490:Pericardial Effusion / Q000175:diagnosis; D011877:Radionuclide Imaging / Q000295:instrumentation*