title: The biological half-life of  137 Cs and  24 Na in man.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D001827:Body Height; D001835:Body Weight; D002587:Cesium Isotopes / Q000652:urine*; D006207:Half-Life; D006801:Humans; D008297:Male; D012964:Sodium / Q000652:urine; D012975:Sodium Isotopes / Q000652:urine*; D013997:Time Factors
chemical_list: D002587:Cesium Isotopes; D012975:Sodium Isotopes; D012964:Sodium