title: Adsorption of radioactive elements on silica gel and its uses for determination of gross activity in urine.
mesh_terms: D000512:Alpha Particles; D000818:Animals; D002412:Cations; D002850:Chromatography, Gel; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D011868:Radioisotopes / Q000032:analysis*; D012588:Scintillation Counting; D012822:Silicon Dioxide; D014556:Urine
chemical_list: D002412:Cations; D011868:Radioisotopes; D012822:Silicon Dioxide