title: [Measurement of biological preparation by liquid scintillation counter. I].
mesh_terms: D008722:Methods; D010759:Phosphorus Isotopes; D011868:Radioisotopes; D011874:Radiometry / Q000295:instrumentation; D012997:Solvents
chemical_list: D010759:Phosphorus Isotopes; D011868:Radioisotopes; D012997:Solvents