Assay of Ca45 in biological materials by liquid scintillation counting.
D002118:Calcium / Q000097:blood* / Q000652:urine*; D002127:Calcium Isotopes / Q000032:analysis*; D005243:Feces / Q000032:analysis; D010209:Paper; D011874:Radiometry; D014867:Water
D002127:Calcium Isotopes; D014867:Water; D002118:Calcium