title: LOW LEVEL GAMMA COUNTERS AND THEIR USES IN BIOLOGY AND MEDICINE.
mesh_terms: D000375:Aging; D001835:Body Weight; D002587:Cesium Isotopes; D006801:Humans; D008433:Mathematics; D011194:Potassium Isotopes; D011827:Radiation; D011830:Radiation Effects; D011834:Radiation Monitoring; D011874:Radiometry
chemical_list: D002587:Cesium Isotopes; D011194:Potassium Isotopes
keywords: AGING; BODY WEIGHT; CESIUM ISOTOPES; MATHEMATICS; POTASSIUM ISOTOPES; RADIATION; RADIATION EFFECTS; RADIOMETRY