title: CHANNEL RATIO IN THE DETERMINATION OF TWO GAMMA-EMITTING RADIOISOTOPES.
mesh_terms: D004912:Erythrocytes; D005720:Gamma Rays; D006801:Humans; D007408:Intestinal Absorption; D011868:Radioisotopes; D011877:Radionuclide Imaging
chemical_list: D011868:Radioisotopes
keywords: ERYTHROCYTES; INTESTINAL ABSORPTION; RADIOISOTOPE SCANNING