title: Diagnosis of pericardial effusions and cardiac enlargement using 99mTc-pertechnetate and the multiple crystal rectilinear scanner.
mesh_terms: D000293:Adolescent; D006332:Cardiomegaly / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010490:Pericardial Effusion / Q000175:diagnosis*; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium