title: A non-invasive method of determining patency of the coronary arteries.
mesh_terms: D000328:Adult; D003327:Coronary Disease / Q000175:diagnosis*; D003331:Coronary Vessels / Q000000981:diagnostic imaging; D005080:Exercise Test; D006334:Heart Function Tests / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013793:Thallium
chemical_list: D011868:Radioisotopes; D013793:Thallium