title: Coincidence positron imaging of the liver and heart following rectal administration of 13N-ammonia in liver cirrhosis.
mesh_terms: D000328:Adult; D000368:Aged; D000641:Ammonia / Q000008:administration & dosage; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging*; D006801:Humans; D008099:Liver / Q000000981:diagnostic imaging*; D008103:Liver Cirrhosis / Q000000981:diagnostic imaging*; D008297:Male; D008722:Methods; D008875:Middle Aged; D009590:Nitrogen Radioisotopes / Q000008:administration & dosage; D011877:Radionuclide Imaging; D012007:Rectum
chemical_list: D009590:Nitrogen Radioisotopes; D000641:Ammonia