title: [N-13 ammonia myocardial positron computed tomography--(1) Comparative study with thallium-201 SPECT].
mesh_terms: D000328:Adult; D000368:Aged; D000641:Ammonia; D006321:Heart / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000000981:diagnostic imaging; D009590:Nitrogen Radioisotopes; D011868:Radioisotopes; D013793:Thallium; D014055:Tomography, Emission-Computed / Q000379:methods*
chemical_list: D009590:Nitrogen Radioisotopes; D011868:Radioisotopes; D000641:Ammonia; D013793:Thallium